311030122013 has 16 divisors (see below), whose sum is σ = 337631716800. Its totient is φ = 284818512000.

The previous prime is 311030122001. The next prime is 311030122031. The reversal of 311030122013 is 310221030113.

It is a cyclic number.

It is not a de Polignac number, because 311030122013 - 2⁸ = 311030121757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311030121982 and 311030122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311030122043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815513 + ... + 1134513.

It is an arithmetic number, because the mean of its divisors is an integer number (21101982300).

Almost surely, 2^311030122013 is an apocalyptic number.

It is an amenable number.

311030122013 is a deficient number, since it is larger than the sum of its proper divisors (26601594787).

311030122013 is a wasteful number, since it uses less digits than its factorization.

311030122013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319612.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 311030122013 its reverse (310221030113), we get a palindrome (621251152126).

The spelling of 311030122013 in words is "three hundred eleven billion, thirty million, one hundred twenty-two thousand, thirteen".