311645546113 has 8 divisors (see below), whose sum is σ = 341178294816. Its totient is φ = 282313020000.

The previous prime is 311645546101. The next prime is 311645546117.

It is a happy number.

311645546113 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 311645546113 - 2²⁵ = 311611991681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311645546117) 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, 50052388 + ... + 50058613.

It is an arithmetic number, because the mean of its divisors is an integer number (42647286852).

Almost surely, 2^311645546113 is an apocalyptic number.

It is an amenable number.

311645546113 is a deficient number, since it is larger than the sum of its proper divisors (29532748703).

311645546113 is a wasteful number, since it uses less digits than its factorization.

311645546113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100111295.

The product of its digits is 129600, while the sum is 40.

It can be divided in two parts, 311645 and 546113, that added together give a palindrome (857758).

The spelling of 311645546113 in words is "three hundred eleven billion, six hundred forty-five million, five hundred forty-six thousand, one hundred thirteen".