31103311111984 has 20 divisors (see below), whose sum is σ = 60265000123240. Its totient is φ = 15551053015680.

The previous prime is 31103311111979. The next prime is 31103311112021. The reversal of 31103311111984 is 48911111330113.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37232757 + ... + 38058964.

It is an arithmetic number, because the mean of its divisors is an integer number (3013250006162).

Almost surely, 2^{31103311111984} is an apocalyptic number.

It is an amenable number.

31103311111984 is a deficient number, since it is larger than the sum of its proper divisors (29161689011256).

31103311111984 is a wasteful number, since it uses less digits than its factorization.

31103311111984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75317548 (or 75317542 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 37.

The spelling of 31103311111984 in words is "thirty-one trillion, one hundred three billion, three hundred eleven million, one hundred eleven thousand, nine hundred eighty-four".