131396113 has 2 divisors, whose sum is σ = 131396114. Its totient is φ = 131396112.

The previous prime is 131396099. The next prime is 131396117. The reversal of 131396113 is 311693131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124724224 + 6671889 = 11168^2 + 2583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131396113 is a prime.

It is not a weakly prime, because it can be changed into another prime (131396117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65698056 + 65698057.

It is an arithmetic number, because the mean of its divisors is an integer number (65698057).

Almost surely, 2^131396113 is an apocalyptic number.

It is an amenable number.

131396113 is a deficient number, since it is larger than the sum of its proper divisors (1).

131396113 is an equidigital number, since it uses as much as digits as its factorization.

131396113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 28.

The square root of 131396113 is about 11462.8143577396. The cubic root of 131396113 is about 508.3866909741.

The spelling of 131396113 in words is "one hundred thirty-one million, three hundred ninety-six thousand, one hundred thirteen".