30981502652 has 12 divisors (see below), whose sum is σ = 54581507400. Its totient is φ = 15386786256.

The previous prime is 30981502649. The next prime is 30981502693. The reversal of 30981502652 is 25620518903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25990598 + ... + 25991789.

It is an arithmetic number, because the mean of its divisors is an integer number (4548458950).

Almost surely, 2^30981502652 is an apocalyptic number.

It is an amenable number.

30981502652 is a deficient number, since it is larger than the sum of its proper divisors (23600004748).

30981502652 is a wasteful number, since it uses less digits than its factorization.

30981502652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51982540 (or 51982538 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 30981502652 in words is "thirty billion, nine hundred eighty-one million, five hundred two thousand, six hundred fifty-two".