131011888 has 30 divisors (see below), whose sum is σ = 295279836. Its totient is φ = 56147616.

The previous prime is 131011871. The next prime is 131011891. The reversal of 131011888 is 888110131.

It is a super-2 number, since 2×131011888² = 34328229594649088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82770 + ... + 84337.

Almost surely, 2^131011888 is an apocalyptic number.

It is an amenable number.

131011888 is an abundant number, since it is smaller than the sum of its proper divisors (164267948).

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

131011888 is a wasteful number, since it uses less digits than its factorization.

131011888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167129 (or 167116 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 31.

The square root of 131011888 is about 11446.0424601694. The cubic root of 131011888 is about 507.8906702536.

The spelling of 131011888 in words is "one hundred thirty-one million, eleven thousand, eight hundred eighty-eight".