30713970905 has 32 divisors (see below), whose sum is σ = 40100520960. Its totient is φ = 22525251840.

The previous prime is 30713970893. The next prime is 30713970919. The reversal of 30713970905 is 50907931703.

It is not a de Polignac number, because 30713970905 - 2³² = 26419003609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173774 + ... + 302696.

It is an arithmetic number, because the mean of its divisors is an integer number (1253141280).

Almost surely, 2^30713970905 is an apocalyptic number.

It is an amenable number.

30713970905 is a deficient number, since it is larger than the sum of its proper divisors (9386550055).

30713970905 is a wasteful number, since it uses less digits than its factorization.

30713970905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129041.

The product of its (nonzero) digits is 178605, while the sum is 44.

The spelling of 30713970905 in words is "thirty billion, seven hundred thirteen million, nine hundred seventy thousand, nine hundred five".