1322312222331 has 20 divisors (see below), whose sum is σ = 1975351018872. Its totient is φ = 881521351488.

The previous prime is 1322312222279. The next prime is 1322312222339. The reversal of 1322312222331 is 1332222132231.

1322312222331 is a `hidden beast` number, since 1 + 322 + 3 + 1 + 2 + 2 + 2 + 2 + 331 = 666.

It is not a de Polignac number, because 1322312222331 - 2⁶ = 1322312222267 is a prime.

It is a super-2 number, since 2×1322312222331² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1322312222295 and 1322312222304.

It is not an unprimeable number, because it can be changed into a prime (1322312222339) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3944275 + ... + 4266371.

Almost surely, 2^{1322312222331} is an apocalyptic number.

1322312222331 is a deficient number, since it is larger than the sum of its proper divisors (653038796541).

1322312222331 is an equidigital number, since it uses as much as digits as its factorization.

1322312222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372792 (or 372783 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 1322312222331 its reverse (1332222132231), we get a palindrome (2654534354562).

The spelling of 1322312222331 in words is "one trillion, three hundred twenty-two billion, three hundred twelve million, two hundred twenty-two thousand, three hundred thirty-one".