122342431311 has 12 divisors (see below), whose sum is σ = 176894106792. Its totient is φ = 81479807856.

The previous prime is 122342431241. The next prime is 122342431417. The reversal of 122342431311 is 113134243221.

122342431311 is a `hidden beast` number, since 1 + 2 + 2 + 342 + 4 + 3 + 1 + 311 = 666.

It is not a de Polignac number, because 122342431311 - 2²⁷ = 122208213583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122342430311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6808281 + ... + 6826226.

It is an arithmetic number, because the mean of its divisors is an integer number (14741175566).

Almost surely, 2^122342431311 is an apocalyptic number.

122342431311 is a deficient number, since it is larger than the sum of its proper divisors (54551675481).

122342431311 is a wasteful number, since it uses less digits than its factorization.

122342431311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13635510 (or 13635507 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 122342431311 its reverse (113134243221), we get a palindrome (235476674532).

The spelling of 122342431311 in words is "one hundred twenty-two billion, three hundred forty-two million, four hundred thirty-one thousand, three hundred eleven".