30968915405 has 16 divisors (see below), whose sum is σ = 38278821504. Its totient is φ = 24038683200.

The previous prime is 30968915353. The next prime is 30968915413. The reversal of 30968915405 is 50451986903.

It is a happy number.

It is not a de Polignac number, because 30968915405 - 2⁸ = 30968915149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444494 + ... + 509423.

It is an arithmetic number, because the mean of its divisors is an integer number (2392426344).

Almost surely, 2^30968915405 is an apocalyptic number.

It is an amenable number.

30968915405 is a deficient number, since it is larger than the sum of its proper divisors (7309906099).

30968915405 is a wasteful number, since it uses less digits than its factorization.

30968915405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954116.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 30968915405 in words is "thirty billion, nine hundred sixty-eight million, nine hundred fifteen thousand, four hundred five".