131570791828 has 12 divisors (see below), whose sum is σ = 263141583712. Its totient is φ = 56387482200.

The previous prime is 131570791817. The next prime is 131570791871. The reversal of 131570791828 is 828197075131.

131570791828 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2349478398 + ... + 2349478453.

Almost surely, 2^131570791828 is an apocalyptic number.

It is an amenable number.

131570791828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131570791828 is a wasteful number, since it uses less digits than its factorization.

131570791828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698956862 (or 4698956860 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 52.

The spelling of 131570791828 in words is "one hundred thirty-one billion, five hundred seventy million, seven hundred ninety-one thousand, eight hundred twenty-eight".