30213110115252 has 18 divisors (see below), whose sum is σ = 76372028346978. Its totient is φ = 10071036705072.

The previous prime is 30213110115239. The next prime is 30213110115329. The reversal of 30213110115252 is 25251101131203.

30213110115252 is a `hidden beast` number, since 3 + 0 + 2 + 1 + 31 + 101 + 1 + 525 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26430847516836 + 3782262598416 = 5141094^2 + 1944804^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 419626529343 + ... + 419626529414.

It is an arithmetic number, because the mean of its divisors is an integer number (4242890463721).

Almost surely, 2^{30213110115252} is an apocalyptic number.

It is an amenable number.

30213110115252 is an abundant number, since it is smaller than the sum of its proper divisors (46158918231726).

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

30213110115252 is a wasteful number, since it uses less digits than its factorization.

30213110115252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839253058767 (or 839253058762 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 30213110115252 its reverse (25251101131203), we get a palindrome (55464211246455).

The spelling of 30213110115252 in words is "thirty trillion, two hundred thirteen billion, one hundred ten million, one hundred fifteen thousand, two hundred fifty-two".