311322312122 has 8 divisors (see below), whose sum is σ = 474898442400. Its totient is φ = 153022831324.

The previous prime is 311322312097. The next prime is 311322312137. The reversal of 311322312122 is 221213223113.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319162222 + ... + 1319162457.

It is an arithmetic number, because the mean of its divisors is an integer number (59362305300).

Almost surely, 2^311322312122 is an apocalyptic number.

311322312122 is a deficient number, since it is larger than the sum of its proper divisors (163576130278).

311322312122 is a wasteful number, since it uses less digits than its factorization.

311322312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638324740.

The product of its digits is 864, while the sum is 23.

Adding to 311322312122 its reverse (221213223113), we get a palindrome (532535535235).

The spelling of 311322312122 in words is "three hundred eleven billion, three hundred twenty-two million, three hundred twelve thousand, one hundred twenty-two".