30968550256 has 40 divisors (see below), whose sum is σ = 69596716160. Its totient is φ = 13074139584.

The previous prime is 30968550251. The next prime is 30968550269. The reversal of 30968550256 is 65205586903.

It is a super-2 number, since 2×30968550256² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30968550251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2055966 + ... + 2070973.

It is an arithmetic number, because the mean of its divisors is an integer number (1739917904).

Almost surely, 2^30968550256 is an apocalyptic number.

It is an amenable number.

30968550256 is an abundant number, since it is smaller than the sum of its proper divisors (38628165904).

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

30968550256 is a wasteful number, since it uses less digits than its factorization.

30968550256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127021 (or 4127015 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 30968550256 in words is "thirty billion, nine hundred sixty-eight million, five hundred fifty thousand, two hundred fifty-six".