131630056647 has 4 divisors (see below), whose sum is σ = 175506742200. Its totient is φ = 87753371096.

The previous prime is 131630056639. The next prime is 131630056693. The reversal of 131630056647 is 746650036131.

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 131630056647 - 2³ = 131630056639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131630056599 and 131630056608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131630056627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21938342772 + ... + 21938342777.

It is an arithmetic number, because the mean of its divisors is an integer number (43876685550).

Almost surely, 2^131630056647 is an apocalyptic number.

131630056647 is a deficient number, since it is larger than the sum of its proper divisors (43876685553).

131630056647 is an equidigital number, since it uses as much as digits as its factorization.

131630056647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43876685552.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 131630056647 in words is "one hundred thirty-one billion, six hundred thirty million, fifty-six thousand, six hundred forty-seven".