311322204401 has 16 divisors (see below), whose sum is σ = 352958034240. Its totient is φ = 272216842560.

The previous prime is 311322204379. The next prime is 311322204407. The reversal of 311322204401 is 104402223113.

It is not a de Polignac number, because 311322204401 - 2²⁶ = 311255095537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (311322204407) 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, 2125706 + ... + 2267436.

It is an arithmetic number, because the mean of its divisors is an integer number (22059877140).

Almost surely, 2^311322204401 is an apocalyptic number.

It is an amenable number.

311322204401 is a deficient number, since it is larger than the sum of its proper divisors (41635829839).

311322204401 is a wasteful number, since it uses less digits than its factorization.

311322204401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150656.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 311322204401 its reverse (104402223113), we get a palindrome (415724427514).

The spelling of 311322204401 in words is "three hundred eleven billion, three hundred twenty-two million, two hundred four thousand, four hundred one".