31631124677 has 4 divisors (see below), whose sum is σ = 31872583776. Its totient is φ = 31389665580.

The previous prime is 31631124661. The next prime is 31631124743. The reversal of 31631124677 is 77642113613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31631124677 - 2⁴ = 31631124661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31631126677) 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, 120729353 + ... + 120729614.

It is an arithmetic number, because the mean of its divisors is an integer number (7968145944).

Almost surely, 2^31631124677 is an apocalyptic number.

It is an amenable number.

31631124677 is a deficient number, since it is larger than the sum of its proper divisors (241459099).

31631124677 is a wasteful number, since it uses less digits than its factorization.

31631124677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241459098.

The product of its digits is 127008, while the sum is 41.

The spelling of 31631124677 in words is "thirty-one billion, six hundred thirty-one million, one hundred twenty-four thousand, six hundred seventy-seven".