131831893328 has 20 divisors (see below), whose sum is σ = 262327653780. Its totient is φ = 64134434304.

The previous prime is 131831893309. The next prime is 131831893337. The reversal of 131831893328 is 823398138131.

It can be written as a sum of positive squares in 2 ways, for example, as 125888716864 + 5943176464 = 354808^2 + 77092^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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, 111343913 + ... + 111345096.

It is an arithmetic number, because the mean of its divisors is an integer number (13116382689).

Almost surely, 2^131831893328 is an apocalyptic number.

It is an amenable number.

131831893328 is a deficient number, since it is larger than the sum of its proper divisors (130495760452).

131831893328 is a wasteful number, since it uses less digits than its factorization.

131831893328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222689054 (or 222689048 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The spelling of 131831893328 in words is "one hundred thirty-one billion, eight hundred thirty-one million, eight hundred ninety-three thousand, three hundred twenty-eight".