131016257670 has 32 divisors (see below), whose sum is σ = 317552283360. Its totient is φ = 34591750400.

The previous prime is 131016257657. The next prime is 131016257699. The reversal of 131016257670 is 76752610131.

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, 21616815 + ... + 21622874.

It is an arithmetic number, because the mean of its divisors is an integer number (9923508855).

Almost surely, 2^131016257670 is an apocalyptic number.

131016257670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131016257670 is an abundant number, since it is smaller than the sum of its proper divisors (186536025690).

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

131016257670 is a wasteful number, since it uses less digits than its factorization.

131016257670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43239800.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 131016257670 in words is "one hundred thirty-one billion, sixteen million, two hundred fifty-seven thousand, six hundred seventy".