311123104313 has 32 divisors (see below), whose sum is σ = 388718841600. Its totient is φ = 243050886144.

The previous prime is 311123104307. The next prime is 311123104373. The reversal of 311123104313 is 313401321113.

It is a cyclic number.

It is not a de Polignac number, because 311123104313 - 2¹² = 311123100217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (311123104373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82781 + ... + 793157.

It is an arithmetic number, because the mean of its divisors is an integer number (12147463800).

Almost surely, 2^311123104313 is an apocalyptic number.

It is an amenable number.

311123104313 is a deficient number, since it is larger than the sum of its proper divisors (77595737287).

311123104313 is a wasteful number, since it uses less digits than its factorization.

311123104313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710529.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 311123104313 its reverse (313401321113), we get a palindrome (624524425426).

The spelling of 311123104313 in words is "three hundred eleven billion, one hundred twenty-three million, one hundred four thousand, three hundred thirteen".