131331696 has 20 divisors (see below), whose sum is σ = 339273672. Its totient is φ = 43777216.

The previous prime is 131331689. The next prime is 131331703. The reversal of 131331696 is 696133131.

It is an interprime number because it is at equal distance from previous prime (131331689) and next prime (131331703).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1367991 + ... + 1368086.

Almost surely, 2^131331696 is an apocalyptic number.

131331696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131331696 is an abundant number, since it is smaller than the sum of its proper divisors (207941976).

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

131331696 is a wasteful number, since it uses less digits than its factorization.

131331696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736088 (or 2736082 counting only the distinct ones).

The product of its digits is 8748, while the sum is 33.

The square root of 131331696 is about 11460.0041884809. The cubic root of 131331696 is about 508.3035984637.

The spelling of 131331696 in words is "one hundred thirty-one million, three hundred thirty-one thousand, six hundred ninety-six".