30998265960 has 32 divisors (see below), whose sum is σ = 92994798240. Its totient is φ = 8266204224.

The previous prime is 30998265911. The next prime is 30998265973. The reversal of 30998265960 is 6956289903.

It is a self number, because there is not a number n which added to its sum of digits gives 30998265960.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129159322 + ... + 129159561.

It is an arithmetic number, because the mean of its divisors is an integer number (2906087445).

Almost surely, 2^30998265960 is an apocalyptic number.

30998265960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30998265960 is an abundant number, since it is smaller than the sum of its proper divisors (61996532280).

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

30998265960 is a wasteful number, since it uses less digits than its factorization.

30998265960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258318897 (or 258318893 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 57.

The spelling of 30998265960 in words is "thirty billion, nine hundred ninety-eight million, two hundred sixty-five thousand, nine hundred sixty".