23133131313 has 32 divisors (see below), whose sum is σ = 33081292800. Its totient is φ = 14336502336.

The previous prime is 23133131311. The next prime is 23133131317. The reversal of 23133131313 is 31313133132.

It is not a de Polignac number, because 23133131313 - 2¹ = 23133131311 is a prime.

It is a super-2 number, since 2×23133131313² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23133131311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 718231 + ... + 749747.

It is an arithmetic number, because the mean of its divisors is an integer number (1033790400).

Almost surely, 2^23133131313 is an apocalyptic number.

It is an amenable number.

23133131313 is a deficient number, since it is larger than the sum of its proper divisors (9948161487).

23133131313 is a wasteful number, since it uses less digits than its factorization.

23133131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31781.

The product of its digits is 1458, while the sum is 24.

Adding to 23133131313 its reverse (31313133132), we get a palindrome (54446264445).

The spelling of 23133131313 in words is "twenty-three billion, one hundred thirty-three million, one hundred thirty-one thousand, three hundred thirteen".