1312311233322 has 12 divisors (see below), whose sum is σ = 2843341005570. Its totient is φ = 437437077768.

The previous prime is 1312311233309. The next prime is 1312311233323. The reversal of 1312311233322 is 2233321132131.

1312311233322 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 311 + 23 + 3 + 322 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1080142411401 + 232168821921 = 1039299^2 + 481839^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1312311233323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36453089797 + ... + 36453089832.

Almost surely, 2^{1312311233322} is an apocalyptic number.

1312311233322 is an abundant number, since it is smaller than the sum of its proper divisors (1531029772248).

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

1312311233322 is a wasteful number, since it uses less digits than its factorization.

1312311233322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72906179637 (or 72906179634 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 1312311233322 its reverse (2233321132131), we get a palindrome (3545632365453).

The spelling of 1312311233322 in words is "one trillion, three hundred twelve billion, three hundred eleven million, two hundred thirty-three thousand, three hundred twenty-two".