30711525252 has 12 divisors (see below), whose sum is σ = 71660225616. Its totient is φ = 10237175080.

The previous prime is 30711525241. The next prime is 30711525269. The reversal of 30711525252 is 25252511703.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1279646874 + ... + 1279646897.

It is an arithmetic number, because the mean of its divisors is an integer number (5971685468).

Almost surely, 2^30711525252 is an apocalyptic number.

It is an amenable number.

30711525252 is an abundant number, since it is smaller than the sum of its proper divisors (40948700364).

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

30711525252 is a wasteful number, since it uses less digits than its factorization.

30711525252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559293778 (or 2559293776 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 30711525252 in words is "thirty billion, seven hundred eleven million, five hundred twenty-five thousand, two hundred fifty-two".