[go: up one dir, main page]

Search a number
-
+
2101332031 is a prime number
BaseRepresentation
bin111110100111111…
…1100100000111111
312102110000201122021
41331033330200333
513300420111111
6544302501011
7103034012311
oct17517744077
95373021567
102101332031
11989168947
124a7894767
13276466246
1415d1157b1
15c472bd71
hex7d3fc83f

2101332031 has 2 divisors, whose sum is σ = 2101332032. Its totient is φ = 2101332030.

The previous prime is 2101332017. The next prime is 2101332047. The reversal of 2101332031 is 1302331012.

It is an a-pointer prime, because the next prime (2101332047) can be obtained adding 2101332031 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101332031 - 219 = 2100807743 is a prime.

It is a super-2 number, since 2×21013320312 = 8831192609013169922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2101331996 and 2101332014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101332001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050666015 + 1050666016.

It is an arithmetic number, because the mean of its divisors is an integer number (1050666016).

Almost surely, 22101332031 is an apocalyptic number.

2101332031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101332031 is an equidigital number, since it uses as much as digits as its factorization.

2101332031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2101332031 is about 45840.2882953412. The cubic root of 2101332031 is about 1280.8498650852.

Adding to 2101332031 its reverse (1302331012), we get a palindrome (3403663043).

The spelling of 2101332031 in words is "two billion, one hundred one million, three hundred thirty-two thousand, thirty-one".