131033688 has 64 divisors (see below), whose sum is σ = 348248160. Its totient is φ = 40943616.

The previous prime is 131033659. The next prime is 131033713. The reversal of 131033688 is 886330131.

It is a happy number.

It is a congruent number.

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, 137020 + ... + 137972.

Almost surely, 2^131033688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131033688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174124080).

131033688 is an abundant number, since it is smaller than the sum of its proper divisors (217214472).

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

131033688 is a wasteful number, since it uses less digits than its factorization.

131033688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 131033688 is about 11446.9947147712. The cubic root of 131033688 is about 507.9188392050.

The spelling of 131033688 in words is "one hundred thirty-one million, thirty-three thousand, six hundred eighty-eight".