30712834971 has 24 divisors (see below), whose sum is σ = 54600596960. Its totient is φ = 16200176256.

The previous prime is 30712834961. The next prime is 30712834979. The reversal of 30712834971 is 17943821703.

30712834971 is a `hidden beast` number, since 30 + 7 + 128 + 3 + 497 + 1 = 666.

It is not a de Polignac number, because 30712834971 - 2²⁵ = 30679280539 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (30712834979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18749386 + ... + 18751023.

Almost surely, 2^30712834971 is an apocalyptic number.

30712834971 is a deficient number, since it is larger than the sum of its proper divisors (23887761989).

30712834971 is a wasteful number, since it uses less digits than its factorization.

30712834971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37500435 (or 37500432 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 30712834971 in words is "thirty billion, seven hundred twelve million, eight hundred thirty-four thousand, nine hundred seventy-one".