311031323130113 has 4 divisors (see below), whose sum is σ = 327401392768560. Its totient is φ = 294661253491668.

The previous prime is 311031323130109. The next prime is 311031323130133.

311031323130113 is nontrivially palindromic in base 10.

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 a cyclic number.

It is not a de Polignac number, because 311031323130113 - 2² = 311031323130109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311031323130133) 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, 8185034819195 + ... + 8185034819232.

It is an arithmetic number, because the mean of its divisors is an integer number (81850348192140).

Almost surely, 2^{311031323130113} is an apocalyptic number.

It is an amenable number.

311031323130113 is a deficient number, since it is larger than the sum of its proper divisors (16370069638447).

311031323130113 is a wasteful number, since it uses less digits than its factorization.

311031323130113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16370069638446.

The product of its (nonzero) digits is 1458, while the sum is 26.

The spelling of 311031323130113 in words is "three hundred eleven trillion, thirty-one billion, three hundred twenty-three million, one hundred thirty thousand, one hundred thirteen".