31074948580921 has 8 divisors (see below), whose sum is σ = 36269848800000. Its totient is φ = 26068953824448.

The previous prime is 31074948580909. The next prime is 31074948580931. The reversal of 31074948580921 is 12908584947013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31074948580921 - 2⁹ = 31074948580409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31074948580921.

It is not an unprimeable number, because it can be changed into a prime (31074948580931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47226365296 + ... + 47226365953.

It is an arithmetic number, because the mean of its divisors is an integer number (4533731100000).

Almost surely, 2^{31074948580921} is an apocalyptic number.

It is an amenable number.

31074948580921 is a deficient number, since it is larger than the sum of its proper divisors (5194900219079).

31074948580921 is an equidigital number, since it uses as much as digits as its factorization.

31074948580921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94452731303.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 31074948580921 in words is "thirty-one trillion, seventy-four billion, nine hundred forty-eight million, five hundred eighty thousand, nine hundred twenty-one".