131182317896 has 32 divisors (see below), whose sum is σ = 281368056000. Its totient is φ = 56168375616.

The previous prime is 131182317859. The next prime is 131182317913. The reversal of 131182317896 is 698713281131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035806 + ... + 1155533.

It is an arithmetic number, because the mean of its divisors is an integer number (8792751750).

Almost surely, 2^131182317896 is an apocalyptic number.

It is an amenable number.

131182317896 is an abundant number, since it is smaller than the sum of its proper divisors (150185738104).

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

131182317896 is a wasteful number, since it uses less digits than its factorization.

131182317896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192421 (or 2192417 counting only the distinct ones).

The product of its digits is 435456, while the sum is 50.

The spelling of 131182317896 in words is "one hundred thirty-one billion, one hundred eighty-two million, three hundred seventeen thousand, eight hundred ninety-six".