31450776064 has 40 divisors (see below), whose sum is σ = 63292355280. Its totient is φ = 15612220416.

The previous prime is 31450776061. The next prime is 31450776083. The reversal of 31450776064 is 46067705413.

It is a self number, because there is not a number n which added to its sum of digits gives 31450776064.

It is not an unprimeable number, because it can be changed into a prime (31450776061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149794 + ... + 292129.

It is an arithmetic number, because the mean of its divisors is an integer number (1582308882).

Almost surely, 2^31450776064 is an apocalyptic number.

It is an amenable number.

31450776064 is an abundant number, since it is smaller than the sum of its proper divisors (31841579216).

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

31450776064 is an equidigital number, since it uses as much as digits as its factorization.

31450776064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442080 (or 442064 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 31450776064 in words is "thirty-one billion, four hundred fifty million, seven hundred seventy-six thousand, sixty-four".