30811952896 has 36 divisors (see below), whose sum is σ = 61531341424. Its totient is φ = 15399014400.

The previous prime is 30811952891. The next prime is 30811952911. The reversal of 30811952896 is 69825911803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30811952891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565576 + ... + 617656.

Almost surely, 2^30811952896 is an apocalyptic number.

It is an amenable number.

30811952896 is a deficient number, since it is larger than the sum of its proper divisors (30719388528).

30811952896 is an equidigital number, since it uses as much as digits as its factorization.

30811952896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54408 (or 54394 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 30811952896 in words is "thirty billion, eight hundred eleven million, nine hundred fifty-two thousand, eight hundred ninety-six".