113213111312 has 20 divisors (see below), whose sum is σ = 250686175296. Its totient is φ = 48519904800.

The previous prime is 113213111191. The next prime is 113213111321. The reversal of 113213111312 is 213111312311.

It is a super-2 number, since 2×113213111312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505415564 + ... + 505415787.

Almost surely, 2^113213111312 is an apocalyptic number.

It is an amenable number.

113213111312 is an abundant number, since it is smaller than the sum of its proper divisors (137473063984).

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

113213111312 is a wasteful number, since it uses less digits than its factorization.

113213111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010831366 (or 1010831360 counting only the distinct ones).

The product of its digits is 108, while the sum is 20.

Adding to 113213111312 its reverse (213111312311), we get a palindrome (326324423623).

The spelling of 113213111312 in words is "one hundred thirteen billion, two hundred thirteen million, one hundred eleven thousand, three hundred twelve".