31302525052 has 12 divisors (see below), whose sum is σ = 54831646800. Its totient is φ = 15636340256.

The previous prime is 31302525029. The next prime is 31302525071. The reversal of 31302525052 is 25052520313.

It is a self number, because there is not a number n which added to its sum of digits gives 31302525052.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 3725848 + ... + 3734239.

It is an arithmetic number, because the mean of its divisors is an integer number (4569303900).

Almost surely, 2^31302525052 is an apocalyptic number.

It is an amenable number.

31302525052 is a deficient number, since it is larger than the sum of its proper divisors (23529121748).

31302525052 is a wasteful number, since it uses less digits than its factorization.

31302525052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7461140 (or 7461138 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 31302525052 in words is "thirty-one billion, three hundred two million, five hundred twenty-five thousand, fifty-two".