131837056697 has 2 divisors, whose sum is σ = 131837056698. Its totient is φ = 131837056696.

The previous prime is 131837056691. The next prime is 131837056699. The reversal of 131837056697 is 796650738131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91008408976 + 40828647721 = 301676^2 + 202061^2 .

It is a cyclic number.

It is not a de Polignac number, because 131837056697 - 2⁶ = 131837056633 is a prime.

Together with 131837056699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131837056691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65918528348 + 65918528349.

It is an arithmetic number, because the mean of its divisors is an integer number (65918528349).

Almost surely, 2^131837056697 is an apocalyptic number.

It is an amenable number.

131837056697 is a deficient number, since it is larger than the sum of its proper divisors (1).

131837056697 is an equidigital number, since it uses as much as digits as its factorization.

131837056697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 131837056697 in words is "one hundred thirty-one billion, eight hundred thirty-seven million, fifty-six thousand, six hundred ninety-seven".