30131364 has 12 divisors (see below), whose sum is σ = 70306544. Its totient is φ = 10043784.

The previous prime is 30131363. The next prime is 30131383. The reversal of 30131364 is 46313103.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 30131364.

It is not an unprimeable number, because it can be changed into a prime (30131363) 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, 1255462 + ... + 1255485.

Almost surely, 2^30131364 is an apocalyptic number.

It is an amenable number.

30131364 is an abundant number, since it is smaller than the sum of its proper divisors (40175180).

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

30131364 is a wasteful number, since it uses less digits than its factorization.

30131364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510954 (or 2510952 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30131364 is about 5489.2043139238. The cubic root of 30131364 is about 311.1761218828.

Adding to 30131364 its reverse (46313103), we get a palindrome (76444467).

The spelling of 30131364 in words is "thirty million, one hundred thirty-one thousand, three hundred sixty-four".