113031012 has 24 divisors (see below), whose sum is σ = 264994912. Its totient is φ = 37497600.

The previous prime is 113030999. The next prime is 113031013. The reversal of 113031012 is 210130311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (113031013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19789 + ... + 24852.

Almost surely, 2^113031012 is an apocalyptic number.

113031012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113031012 is an abundant number, since it is smaller than the sum of its proper divisors (151963900).

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

113031012 is a wasteful number, since it uses less digits than its factorization.

113031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44859 (or 44857 counting only the distinct ones).

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

The square root of 113031012 is about 10631.6043944458. The cubic root of 113031012 is about 483.5030358773.

Adding to 113031012 its reverse (210130311), we get a palindrome (323161323).

The spelling of 113031012 in words is "one hundred thirteen million, thirty-one thousand, twelve".