31444164708 has 48 divisors (see below), whose sum is σ = 83519686656. Its totient is φ = 9114249760.

The previous prime is 31444164701. The next prime is 31444164709. The reversal of 31444164708 is 80746144413.

It is a self number, because there is not a number n which added to its sum of digits gives 31444164708.

It is not an unprimeable number, because it can be changed into a prime (31444164701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5175516 + ... + 5181587.

It is an arithmetic number, because the mean of its divisors is an integer number (1739993472).

Almost surely, 2^31444164708 is an apocalyptic number.

It is an amenable number.

31444164708 is an abundant number, since it is smaller than the sum of its proper divisors (52075521948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31444164708 is a wasteful number, since it uses less digits than its factorization.

31444164708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10357144 (or 10357142 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 31444164708 in words is "thirty-one billion, four hundred forty-four million, one hundred sixty-four thousand, seven hundred eight".