[go: up one dir, main page]

Search a number
-
+
2313311031 = 32677379667
BaseRepresentation
bin1000100111100010…
…0101001100110111
312222012220101011100
42021320211030313
514214201423111
61021314141143
7111216551013
oct21170451467
95865811140
102313311031
11a878928a9
125468817b3
132ab355ac5
1417d335543
15d8150756
hex89e25337

2313311031 has 12 divisors (see below), whose sum is σ = 3346393752. Its totient is φ = 1539925296.

The previous prime is 2313311029. The next prime is 2313311069. The reversal of 2313311031 is 1301133132.

It is a happy number.

2313311031 is a `hidden beast` number, since 231 + 331 + 103 + 1 = 666.

2313311031 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2313311031 - 21 = 2313311029 is a prime.

It is a super-2 number, since 2×23133110312 = 10702815852292565922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2313310995 and 2313311013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313311081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183741 + ... + 195926.

It is an arithmetic number, because the mean of its divisors is an integer number (278866146).

Almost surely, 22313311031 is an apocalyptic number.

2313311031 is a deficient number, since it is larger than the sum of its proper divisors (1033082721).

2313311031 is a wasteful number, since it uses less digits than its factorization.

2313311031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380350 (or 380347 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 2313311031 is about 48096.8921137323. The cubic root of 2313311031 is about 1322.5476949600.

Adding to 2313311031 its reverse (1301133132), we get a palindrome (3614444163).

The spelling of 2313311031 in words is "two billion, three hundred thirteen million, three hundred eleven thousand, thirty-one".

Divisors: 1 3 9 677 2031 6093 379667 1139001 3417003 257034559 771103677 2313311031