23311313131320 has 96 divisors (see below), whose sum is σ = 76031382838320. Its totient is φ = 6194227898880.

The previous prime is 23311313131313. The next prime is 23311313131349. The reversal of 23311313131320 is 2313131311332.

23311313131320 is a `hidden beast` number, since 2 + 3 + 3 + 11 + 313 + 1 + 313 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115118854 + ... + 115321173.

Almost surely, 2^{23311313131320} is an apocalyptic number.

23311313131320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23311313131320 is an abundant number, since it is smaller than the sum of its proper divisors (52720069707000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23311313131320 is a wasteful number, since it uses less digits than its factorization.

23311313131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230440325 (or 230440318 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 23311313131320 its reverse (2313131311332), we get a palindrome (25624444442652).

The spelling of 23311313131320 in words is "twenty-three trillion, three hundred eleven billion, three hundred thirteen million, one hundred thirty-one thousand, three hundred twenty".