30311303313 has 4 divisors (see below), whose sum is σ = 40415071088. Its totient is φ = 20207535540.

The previous prime is 30311303303. The next prime is 30311303317. The reversal of 30311303313 is 31330311303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30311303313 - 2¹⁰ = 30311302289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30311303313.

It is not an unprimeable number, because it can be changed into a prime (30311303317) 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, 5051883883 + ... + 5051883888.

It is an arithmetic number, because the mean of its divisors is an integer number (10103767772).

Almost surely, 2^30311303313 is an apocalyptic number.

It is an amenable number.

30311303313 is a deficient number, since it is larger than the sum of its proper divisors (10103767775).

30311303313 is a wasteful number, since it uses less digits than its factorization.

30311303313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10103767774.

The product of its (nonzero) digits is 729, while the sum is 21.

Adding to 30311303313 its reverse (31330311303), we get a palindrome (61641614616).

The spelling of 30311303313 in words is "thirty billion, three hundred eleven million, three hundred three thousand, three hundred thirteen".