131731984858 has 16 divisors (see below), whose sum is σ = 198177658560. Its totient is φ = 65672820256.

The previous prime is 131731984849. The next prime is 131731984921. The reversal of 131731984858 is 858489137131.

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, 9461310 + ... + 9475222.

It is an arithmetic number, because the mean of its divisors is an integer number (12386103660).

Almost surely, 2^131731984858 is an apocalyptic number.

131731984858 is a deficient number, since it is larger than the sum of its proper divisors (66445673702).

131731984858 is a wasteful number, since it uses less digits than its factorization.

131731984858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27461.

The product of its digits is 5806080, while the sum is 58.

The spelling of 131731984858 in words is "one hundred thirty-one billion, seven hundred thirty-one million, nine hundred eighty-four thousand, eight hundred fifty-eight".