331311311322 has 64 divisors (see below), whose sum is σ = 748643886720. Its totient is φ = 97121286144.

The previous prime is 331311311269. The next prime is 331311311323. The reversal of 331311311322 is 223113113133.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 331311311292 and 331311311301.

It is not an unprimeable number, because it can be changed into a prime (331311311323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1029453 + ... + 1312400.

It is an arithmetic number, because the mean of its divisors is an integer number (11697560730).

Almost surely, 2^331311311322 is an apocalyptic number.

331311311322 is an abundant number, since it is smaller than the sum of its proper divisors (417332575398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331311311322 is a wasteful number, since it uses less digits than its factorization.

331311311322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341967.

The product of its digits is 972, while the sum is 24.

Adding to 331311311322 its reverse (223113113133), we get a palindrome (554424424455).

The spelling of 331311311322 in words is "three hundred thirty-one billion, three hundred eleven million, three hundred eleven thousand, three hundred twenty-two".