31422738052 has 24 divisors (see below), whose sum is σ = 58561064856. Its totient is φ = 14701690368.

The previous prime is 31422738047. The next prime is 31422738089. The reversal of 31422738052 is 25083722413.

It can be written as a sum of positive squares in 4 ways, for example, as 15711118336 + 15711619716 = 125344^2 + 125346^2 .

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 7 ways as a sum of consecutive naturals, for example, 1323783 + ... + 1347310.

It is an arithmetic number, because the mean of its divisors is an integer number (2440044369).

Almost surely, 2^31422738052 is an apocalyptic number.

It is an amenable number.

31422738052 is a deficient number, since it is larger than the sum of its proper divisors (27138326804).

31422738052 is a wasteful number, since it uses less digits than its factorization.

31422738052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671287 (or 2671285 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 31422738052 in words is "thirty-one billion, four hundred twenty-two million, seven hundred thirty-eight thousand, fifty-two".