122322312331 has 4 divisors (see below), whose sum is σ = 122324411664. Its totient is φ = 122320213000.

The previous prime is 122322312323. The next prime is 122322312347. The reversal of 122322312331 is 133213223221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122322312331 - 2³ = 122322312323 is a prime.

It is a super-2 number, since 2×122322312331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122322312296 and 122322312305.

It is not an unprimeable number, because it can be changed into a prime (122322312311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959695 + ... + 1079656.

It is an arithmetic number, because the mean of its divisors is an integer number (30581102916).

Almost surely, 2^122322312331 is an apocalyptic number.

122322312331 is a deficient number, since it is larger than the sum of its proper divisors (2099333).

122322312331 is an equidigital number, since it uses as much as digits as its factorization.

122322312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099332.

The product of its digits is 2592, while the sum is 25.

Adding to 122322312331 its reverse (133213223221), we get a palindrome (255535535552).

The spelling of 122322312331 in words is "one hundred twenty-two billion, three hundred twenty-two million, three hundred twelve thousand, three hundred thirty-one".