30140923388 has 12 divisors (see below), whose sum is σ = 52840308360. Its totient is φ = 15043692432.

The previous prime is 30140923363. The next prime is 30140923403. The reversal of 30140923388 is 88332904103.

It is a congruent number.

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, 6689783 + ... + 6694286.

It is an arithmetic number, because the mean of its divisors is an integer number (4403359030).

Almost surely, 2^30140923388 is an apocalyptic number.

It is an amenable number.

30140923388 is a deficient number, since it is larger than the sum of its proper divisors (22699384972).

30140923388 is a wasteful number, since it uses less digits than its factorization.

30140923388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13384636 (or 13384634 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 30140923388 in words is "thirty billion, one hundred forty million, nine hundred twenty-three thousand, three hundred eighty-eight".