30996990380 has 24 divisors (see below), whose sum is σ = 65221586640. Its totient is φ = 12374432960.

The previous prime is 30996990379. The next prime is 30996990383. The reversal of 30996990380 is 8309969903.

It is not an unprimeable number, because it can be changed into a prime (30996990383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512266 + ... + 1532625.

It is an arithmetic number, because the mean of its divisors is an integer number (2717566110).

Almost surely, 2^30996990380 is an apocalyptic number.

It is an amenable number.

30996990380 is an abundant number, since it is smaller than the sum of its proper divisors (34224596260).

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

30996990380 is a wasteful number, since it uses less digits than its factorization.

30996990380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045409 (or 3045407 counting only the distinct ones).

The product of its (nonzero) digits is 2834352, while the sum is 56.

The spelling of 30996990380 in words is "thirty billion, nine hundred ninety-six million, nine hundred ninety thousand, three hundred eighty".