31302522052 has 12 divisors (see below), whose sum is σ = 54781676460. Its totient is φ = 15650614496.

The previous prime is 31302522023. The next prime is 31302522067. The reversal of 31302522052 is 25022520313.

It can be written as a sum of positive squares in 2 ways, for example, as 15651010816 + 15651511236 = 125104^2 + 125106^2 .

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, 43027 + ... + 253882.

It is an arithmetic number, because the mean of its divisors is an integer number (4565139705).

Almost surely, 2^31302522052 is an apocalyptic number.

It is an amenable number.

31302522052 is a deficient number, since it is larger than the sum of its proper divisors (23479154408).

31302522052 is a wasteful number, since it uses less digits than its factorization.

31302522052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323270 (or 323268 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 31302522052 in words is "thirty-one billion, three hundred two million, five hundred twenty-two thousand, fifty-two".