131130229188 has 48 divisors (see below), whose sum is σ = 349713601664. Its totient is φ = 37462245120.

The previous prime is 131130229187. The next prime is 131130229207. The reversal of 131130229188 is 881922031131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131130229187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897858 + ... + 1033638.

Almost surely, 2^131130229188 is an apocalyptic number.

It is an amenable number.

131130229188 is an abundant number, since it is smaller than the sum of its proper divisors (218583372476).

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

131130229188 is a wasteful number, since it uses less digits than its factorization.

131130229188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147292 (or 147290 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The spelling of 131130229188 in words is "one hundred thirty-one billion, one hundred thirty million, two hundred twenty-nine thousand, one hundred eighty-eight".