313231123300 has 72 divisors (see below), whose sum is σ = 684918037440. Its totient is φ = 124334448000.

The previous prime is 313231123297. The next prime is 313231123327. The reversal of 313231123300 is 3321132313.

It is a super-2 number, since 2×313231123300² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15376722 + ... + 15397078.

It is an arithmetic number, because the mean of its divisors is an integer number (9512750520).

Almost surely, 2^313231123300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313231123300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342459018720).

313231123300 is an abundant number, since it is smaller than the sum of its proper divisors (371686914140).

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

313231123300 is a wasteful number, since it uses less digits than its factorization.

313231123300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21541 (or 21534 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 313231123300 its reverse (3321132313), we get a palindrome (316552255613).

The spelling of 313231123300 in words is "three hundred thirteen billion, two hundred thirty-one million, one hundred twenty-three thousand, three hundred".