30993182976 has 144 divisors (see below), whose sum is σ = 97312452608. Its totient is φ = 8569497600.

The previous prime is 30993182951. The next prime is 30993182977. The reversal of 30993182976 is 67928139903.

It is not an unprimeable number, because it can be changed into a prime (30993182977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73671 + ... + 259641.

Almost surely, 2^30993182976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30993182976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48656226304).

30993182976 is an abundant number, since it is smaller than the sum of its proper divisors (66319269632).

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

30993182976 is a wasteful number, since it uses less digits than its factorization.

30993182976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186028 (or 186014 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 57.

The spelling of 30993182976 in words is "thirty billion, nine hundred ninety-three million, one hundred eighty-two thousand, nine hundred seventy-six".