30311330013 has 12 divisors (see below), whose sum is σ = 43796509120. Its totient is φ = 20201333256.

The previous prime is 30311330003. The next prime is 30311330017. The reversal of 30311330013 is 31003311303.

It is not a de Polignac number, because 30311330013 - 2⁸ = 30311329757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311330017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487381 + ... + 546042.

Almost surely, 2^30311330013 is an apocalyptic number.

It is an amenable number.

30311330013 is a deficient number, since it is larger than the sum of its proper divisors (13485179107).

30311330013 is a wasteful number, since it uses less digits than its factorization.

30311330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036688 (or 1036685 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

Adding to 30311330013 its reverse (31003311303), we get a palindrome (61314641316).

The spelling of 30311330013 in words is "thirty billion, three hundred eleven million, three hundred thirty thousand, thirteen".