113131002 has 16 divisors (see below), whose sum is σ = 229127040. Its totient is φ = 37232832.

The previous prime is 113130961. The next prime is 113131037. The reversal of 113131002 is 200131311.

It is a super-2 number, since 2×113131002² = 25597247227048008, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 118863 + ... + 119810.

It is an arithmetic number, because the mean of its divisors is an integer number (14320440).

Almost surely, 2^113131002 is an apocalyptic number.

113131002 is an abundant number, since it is smaller than the sum of its proper divisors (115996038).

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

113131002 is a wasteful number, since it uses less digits than its factorization.

113131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238757.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 113131002 is about 10636.3058436658. The cubic root of 113131002 is about 483.6455667304.

Adding to 113131002 its reverse (200131311), we get a palindrome (313262313).

The spelling of 113131002 in words is "one hundred thirteen million, one hundred thirty-one thousand, two".