311313122332 has 24 divisors (see below), whose sum is σ = 547078288176. Its totient is φ = 155005859328.

The previous prime is 311313122257. The next prime is 311313122333. The reversal of 311313122332 is 233221313113.

It is a junction number, because it is equal to n+sod(n) for n = 311313122297 and 311313122306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311313122333) 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, 1430188 + ... + 1633420.

It is an arithmetic number, because the mean of its divisors is an integer number (22794928674).

Almost surely, 2^311313122332 is an apocalyptic number.

It is an amenable number.

311313122332 is a deficient number, since it is larger than the sum of its proper divisors (235765165844).

311313122332 is a wasteful number, since it uses less digits than its factorization.

311313122332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204837 (or 204835 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

Adding to 311313122332 its reverse (233221313113), we get a palindrome (544534435445).

The spelling of 311313122332 in words is "three hundred eleven billion, three hundred thirteen million, one hundred twenty-two thousand, three hundred thirty-two".