30311420568 has 96 divisors (see below), whose sum is σ = 89701105200. Its totient is φ = 8478708480.

The previous prime is 30311420533. The next prime is 30311420599. The reversal of 30311420568 is 86502411303.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 363703 + ... + 439206.

Almost surely, 2^30311420568 is an apocalyptic number.

It is an amenable number.

30311420568 is an abundant number, since it is smaller than the sum of its proper divisors (59389684632).

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

30311420568 is a wasteful number, since it uses less digits than its factorization.

30311420568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802953 (or 802938 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 30311420568 in words is "thirty billion, three hundred eleven million, four hundred twenty thousand, five hundred sixty-eight".