131677255631 has 4 divisors (see below), whose sum is σ = 131791659264. Its totient is φ = 131562852000.

The previous prime is 131677255583. The next prime is 131677255669. The reversal of 131677255631 is 136552776131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131677255631 - 2²² = 131673061327 is a prime.

It is a super-2 number, since 2×131677255631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131677255681) 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 in 3 ways as a sum of consecutive naturals, for example, 57200090 + ... + 57202391.

It is an arithmetic number, because the mean of its divisors is an integer number (32947914816).

Almost surely, 2^131677255631 is an apocalyptic number.

131677255631 is a deficient number, since it is larger than the sum of its proper divisors (114403633).

131677255631 is a wasteful number, since it uses less digits than its factorization.

131677255631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114403632.

The product of its digits is 793800, while the sum is 47.

The spelling of 131677255631 in words is "one hundred thirty-one billion, six hundred seventy-seven million, two hundred fifty-five thousand, six hundred thirty-one".