30311140404 has 12 divisors (see below), whose sum is σ = 70725994304. Its totient is φ = 10103713464.

The previous prime is 30311140399. The next prime is 30311140411. The reversal of 30311140404 is 40404111303.

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

It is a congruent number.

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, 1262964172 + ... + 1262964195.

Almost surely, 2^30311140404 is an apocalyptic number.

It is an amenable number.

30311140404 is an abundant number, since it is smaller than the sum of its proper divisors (40414853900).

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

30311140404 is a wasteful number, since it uses less digits than its factorization.

30311140404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525928374 (or 2525928372 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30311140404 its reverse (40404111303), we get a palindrome (70715251707).

The spelling of 30311140404 in words is "thirty billion, three hundred eleven million, one hundred forty thousand, four hundred four".