30856281132 has 96 divisors (see below), whose sum is σ = 73769572800. Its totient is φ = 10036224000.

The previous prime is 30856281059. The next prime is 30856281173. The reversal of 30856281132 is 23118265803.

It is a super-2 number, since 2×30856281132² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46680882 + ... + 46681542.

It is an arithmetic number, because the mean of its divisors is an integer number (768433050).

Almost surely, 2^30856281132 is an apocalyptic number.

It is an amenable number.

30856281132 is an abundant number, since it is smaller than the sum of its proper divisors (42913291668).

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

30856281132 is a wasteful number, since it uses less digits than its factorization.

30856281132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 30856281132 in words is "thirty billion, eight hundred fifty-six million, two hundred eighty-one thousand, one hundred thirty-two".