[go: up one dir, main page]

Search a number
-
+
201131313 = 3419160009
BaseRepresentation
bin10111111110100…
…00010100110001
3112000110112021220
423333100110301
5402442200223
631542535253
74661405445
oct1377202461
9460415256
10201131313
11a3595a29
1257437529
1332892216
141c9d8825
15129ce6e3
hexbfd0531

201131313 has 8 divisors (see below), whose sum is σ = 268816800. Its totient is φ = 133766688.

The previous prime is 201131309. The next prime is 201131341. The reversal of 201131313 is 313131102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201131313 - 22 = 201131309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201131292 and 201131301.

It is not an unprimeable number, because it can be changed into a prime (201131383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78748 + ... + 81261.

It is an arithmetic number, because the mean of its divisors is an integer number (33602100).

Almost surely, 2201131313 is an apocalyptic number.

It is an amenable number.

201131313 is a deficient number, since it is larger than the sum of its proper divisors (67685487).

201131313 is a wasteful number, since it uses less digits than its factorization.

201131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160431.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 201131313 is about 14182.0771750826. The cubic root of 201131313 is about 585.9041348226.

Adding to 201131313 its reverse (313131102), we get a palindrome (514262415).

The spelling of 201131313 in words is "two hundred one million, one hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 3 419 1257 160009 480027 67043771 201131313