30880516 has 12 divisors (see below), whose sum is σ = 54219088. Its totient is φ = 15389352.

The previous prime is 30880511. The next prime is 30880519. The reversal of 30880516 is 61508803.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30880511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11346 + ... + 13801.

Almost surely, 2^30880516 is an apocalyptic number.

It is an amenable number.

30880516 is a deficient number, since it is larger than the sum of its proper divisors (23338572).

30880516 is a wasteful number, since it uses less digits than its factorization.

30880516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25458 (or 25456 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 30880516 is about 5557.0240237019. The cubic root of 30880516 is about 313.7339491162.

The spelling of 30880516 in words is "thirty million, eight hundred eighty thousand, five hundred sixteen".