311404404113 has 8 divisors (see below), whose sum is σ = 339748477920. Its totient is φ = 283066094080.

The previous prime is 311404404097. The next prime is 311404404127.

It is a happy number.

311404404113 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 311404404113 - 2⁴ = 311404404097 is a prime.

It is a super-2 number, since 2×311404404113² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311404424113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327583 + ... + 1544436.

It is an arithmetic number, because the mean of its divisors is an integer number (42468559740).

Almost surely, 2^311404404113 is an apocalyptic number.

It is an amenable number.

311404404113 is a deficient number, since it is larger than the sum of its proper divisors (28344073807).

311404404113 is a wasteful number, since it uses less digits than its factorization.

311404404113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881887.

The product of its (nonzero) digits is 2304, while the sum is 26.

It can be divided in two parts, 311404 and 404113, that added together give a palindrome (715517).

The spelling of 311404404113 in words is "three hundred eleven billion, four hundred four million, four hundred four thousand, one hundred thirteen".