131056812 has 48 divisors (see below), whose sum is σ = 348970720. Its totient is φ = 42503616.

The previous prime is 131056799. The next prime is 131056831. The reversal of 131056812 is 218650131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12403 + ... + 20394.

Almost surely, 2^131056812 is an apocalyptic number.

131056812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131056812 is an abundant number, since it is smaller than the sum of its proper divisors (217913908).

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

131056812 is a wasteful number, since it uses less digits than its factorization.

131056812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32847 (or 32839 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 131056812 is about 11448.0047169802. The cubic root of 131056812 is about 507.9487155536.

The spelling of 131056812 in words is "one hundred thirty-one million, fifty-six thousand, eight hundred twelve".