30347917028 has 48 divisors (see below), whose sum is σ = 63036968064. Its totient is φ = 12602096640.

The previous prime is 30347916961. The next prime is 30347917049. The reversal of 30347917028 is 82071974303.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a self number, because there is not a number n which added to its sum of digits gives 30347917028.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218000 + ... + 328967.

It is an arithmetic number, because the mean of its divisors is an integer number (1313270168).

Almost surely, 2^30347917028 is an apocalyptic number.

It is an amenable number.

30347917028 is an abundant number, since it is smaller than the sum of its proper divisors (32689051036).

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

30347917028 is a wasteful number, since it uses less digits than its factorization.

30347917028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547092 (or 547090 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 30347917028 in words is "thirty billion, three hundred forty-seven million, nine hundred seventeen thousand, twenty-eight".