313231012112100 has 144 divisors (see below), whose sum is σ = 911222149160960. Its totient is φ = 83073652790400.

The previous prime is 313231012112071. The next prime is 313231012112131. The reversal of 313231012112100 is 1211210132313.

It is a super-2 number, since 2×313231012112100² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67255935 + ... + 71762265.

Almost surely, 2^{313231012112100} is an apocalyptic number.

313231012112100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313231012112100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455611074580480).

313231012112100 is an abundant number, since it is smaller than the sum of its proper divisors (597991137048860).

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

313231012112100 is a wasteful number, since it uses less digits than its factorization.

313231012112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507610 (or 4507603 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 313231012112100 its reverse (1211210132313), we get a palindrome (314442222244413).

The spelling of 313231012112100 in words is "three hundred thirteen trillion, two hundred thirty-one billion, twelve million, one hundred twelve thousand, one hundred".