31382642874 has 64 divisors (see below), whose sum is σ = 73833016320. Its totient is φ = 8789616000.

The previous prime is 31382642857. The next prime is 31382642891. The reversal of 31382642874 is 47824628313.

It is an interprime number because it is at equal distance from previous prime (31382642857) and next prime (31382642891).

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 253782 + ... + 356609.

It is an arithmetic number, because the mean of its divisors is an integer number (1153640880).

Almost surely, 2^31382642874 is an apocalyptic number.

31382642874 is an abundant number, since it is smaller than the sum of its proper divisors (42450373446).

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

31382642874 is a wasteful number, since it uses less digits than its factorization.

31382642874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610467.

The product of its digits is 1548288, while the sum is 48.

The spelling of 31382642874 in words is "thirty-one billion, three hundred eighty-two million, six hundred forty-two thousand, eight hundred seventy-four".