131583678631 has 2 divisors, whose sum is σ = 131583678632. Its totient is φ = 131583678630.

The previous prime is 131583678623. The next prime is 131583678689. The reversal of 131583678631 is 136876385131.

It is a weak prime.

It is an emirp because it is prime and its reverse (136876385131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131583678631 - 2³ = 131583678623 is a prime.

It is a super-2 number, since 2×131583678631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131583673631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65791839315 + 65791839316.

It is an arithmetic number, because the mean of its divisors is an integer number (65791839316).

Almost surely, 2^131583678631 is an apocalyptic number.

131583678631 is a deficient number, since it is larger than the sum of its proper divisors (1).

131583678631 is an equidigital number, since it uses as much as digits as its factorization.

131583678631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The spelling of 131583678631 in words is "one hundred thirty-one billion, five hundred eighty-three million, six hundred seventy-eight thousand, six hundred thirty-one".