30988763724 has 12 divisors (see below), whose sum is σ = 72307115384. Its totient is φ = 10329587904.

The previous prime is 30988763683. The next prime is 30988763747. The reversal of 30988763724 is 42736788903.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291198477 + ... + 1291198500.

Almost surely, 2^30988763724 is an apocalyptic number.

It is an amenable number.

30988763724 is an abundant number, since it is smaller than the sum of its proper divisors (41318351660).

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

30988763724 is a wasteful number, since it uses less digits than its factorization.

30988763724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582396984 (or 2582396982 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 30988763724 in words is "thirty billion, nine hundred eighty-eight million, seven hundred sixty-three thousand, seven hundred twenty-four".