30818992252 has 6 divisors (see below), whose sum is σ = 53933236448. Its totient is φ = 15409496124.

The previous prime is 30818992229. The next prime is 30818992261. The reversal of 30818992252 is 25229981803.

It is a junction number, because it is equal to n+sod(n) for n = 30818992196 and 30818992205.

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 as a sum of consecutive naturals, namely, 3852374028 + ... + 3852374035.

Almost surely, 2^30818992252 is an apocalyptic number.

It is an amenable number.

30818992252 is a deficient number, since it is larger than the sum of its proper divisors (23114244196).

30818992252 is a wasteful number, since it uses less digits than its factorization.

30818992252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7704748067 (or 7704748065 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 30818992252 in words is "thirty billion, eight hundred eighteen million, nine hundred ninety-two thousand, two hundred fifty-two".