30731468 has 12 divisors (see below), whose sum is σ = 55092072. Its totient is φ = 14990880.

The previous prime is 30731453. The next prime is 30731501. The reversal of 30731468 is 86413703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93530 + ... + 93857.

It is an arithmetic number, because the mean of its divisors is an integer number (4591006).

Almost surely, 2^30731468 is an apocalyptic number.

It is an amenable number.

30731468 is a deficient number, since it is larger than the sum of its proper divisors (24360604).

30731468 is a wasteful number, since it uses less digits than its factorization.

30731468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187432 (or 187430 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 30731468 is about 5543.5970272017. The cubic root of 30731468 is about 313.2283784086.

The spelling of 30731468 in words is "thirty million, seven hundred thirty-one thousand, four hundred sixty-eight".