30311164 has 18 divisors (see below), whose sum is σ = 57440040. Its totient is φ = 13989456.

The previous prime is 30311159. The next prime is 30311201. The reversal of 30311164 is 46111303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21744 + ... + 23095.

Almost surely, 2^30311164 is an apocalyptic number.

It is an amenable number.

30311164 is a deficient number, since it is larger than the sum of its proper divisors (27128876).

30311164 is a wasteful number, since it uses less digits than its factorization.

30311164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44869 (or 44854 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 30311164 is about 5505.5575557794. The cubic root of 30311164 is about 311.7938452943.

Adding to 30311164 its reverse (46111303), we get a palindrome (76422467).

The spelling of 30311164 in words is "thirty million, three hundred eleven thousand, one hundred sixty-four".