30697913252 has 6 divisors (see below), whose sum is σ = 53721348198. Its totient is φ = 15348956624.

The previous prime is 30697913249. The next prime is 30697913273. The reversal of 30697913252 is 25231979603.

It can be written as a sum of positive squares in only one way, i.e., 29740382116 + 957531136 = 172454^2 + 30944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30697913197 and 30697913206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3837239153 + ... + 3837239160.

It is an arithmetic number, because the mean of its divisors is an integer number (8953558033).

Almost surely, 2^30697913252 is an apocalyptic number.

It is an amenable number.

30697913252 is a deficient number, since it is larger than the sum of its proper divisors (23023434946).

30697913252 is a wasteful number, since it uses less digits than its factorization.

30697913252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7674478317 (or 7674478315 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 47.

The spelling of 30697913252 in words is "thirty billion, six hundred ninety-seven million, nine hundred thirteen thousand, two hundred fifty-two".