113321031000 has 128 divisors (see below), whose sum is σ = 374359527360. Its totient is φ = 28441344000.

The previous prime is 113321030971. The next prime is 113321031001. The reversal of 113321031000 is 130123311.

It is a super-2 number, since 2×113321031000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113321031001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1059991 + ... + 1161990.

Almost surely, 2^113321031000 is an apocalyptic number.

113321031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113321031000 is an abundant number, since it is smaller than the sum of its proper divisors (261038496360).

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

113321031000 is a wasteful number, since it uses less digits than its factorization.

113321031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222022 (or 2222008 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 113321031000 its reverse (130123311), we get a palindrome (113451154311).

The spelling of 113321031000 in words is "one hundred thirteen billion, three hundred twenty-one million, thirty-one thousand".