31791907675 has 12 divisors (see below), whose sum is σ = 43005780936. Its totient is φ = 23121387200.

The previous prime is 31791907657. The next prime is 31791907699. The reversal of 31791907675 is 57670919713.

It is not a de Polignac number, because 31791907675 - 2¹¹ = 31791905627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 57803194 + ... + 57803743.

It is an arithmetic number, because the mean of its divisors is an integer number (3583815078).

Almost surely, 2^31791907675 is an apocalyptic number.

31791907675 is a deficient number, since it is larger than the sum of its proper divisors (11213873261).

31791907675 is a wasteful number, since it uses less digits than its factorization.

31791907675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115606958 (or 115606953 counting only the distinct ones).

The product of its (nonzero) digits is 2500470, while the sum is 55.

The spelling of 31791907675 in words is "thirty-one billion, seven hundred ninety-one million, nine hundred seven thousand, six hundred seventy-five".