113112131000 has 96 divisors (see below), whose sum is σ = 290932190640. Its totient is φ = 41131640000.

The previous prime is 113112130993. The next prime is 113112131009. The reversal of 113112131000 is 131211311.

It is a happy number.

It is a super-2 number, since 2×113112131000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112131009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346406 + ... + 588405.

Almost surely, 2^113112131000 is an apocalyptic number.

113112131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113112131000 is an abundant number, since it is smaller than the sum of its proper divisors (177820059640).

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

113112131000 is a wasteful number, since it uses less digits than its factorization.

113112131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934854 (or 934829 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 113112131000 its reverse (131211311), we get a palindrome (113243342311).

The spelling of 113112131000 in words is "one hundred thirteen billion, one hundred twelve million, one hundred thirty-one thousand".