30997341252 has 24 divisors (see below), whose sum is σ = 80363477600. Its totient is φ = 10332447048.

The previous prime is 30997341251. The next prime is 30997341257. The reversal of 30997341252 is 25214379903.

30997341252 is a `hidden beast` number, since 30 + 99 + 73 + 412 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 30997341198 and 30997341207.

It is not an unprimeable number, because it can be changed into a prime (30997341251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143506102 + ... + 143506317.

Almost surely, 2^30997341252 is an apocalyptic number.

It is an amenable number.

30997341252 is an abundant number, since it is smaller than the sum of its proper divisors (49366136348).

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

30997341252 is a wasteful number, since it uses less digits than its factorization.

30997341252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287012432 (or 287012424 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 30997341252 in words is "thirty billion, nine hundred ninety-seven million, three hundred forty-one thousand, two hundred fifty-two".