122320541331 has 6 divisors (see below), whose sum is σ = 176685226380. Its totient is φ = 81547027548.

The previous prime is 122320541327. The next prime is 122320541339. The reversal of 122320541331 is 133145023221.

122320541331 is a `hidden beast` number, since 1 + 2 + 2 + 320 + 5 + 4 + 1 + 331 = 666.

It is not a de Polignac number, because 122320541331 - 2² = 122320541327 is a prime.

It is a super-2 number, since 2×122320541331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122320541295 and 122320541304.

It is not an unprimeable number, because it can be changed into a prime (122320541339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6795585621 + ... + 6795585638.

It is an arithmetic number, because the mean of its divisors is an integer number (29447537730).

Almost surely, 2^122320541331 is an apocalyptic number.

122320541331 is a deficient number, since it is larger than the sum of its proper divisors (54364685049).

122320541331 is a wasteful number, since it uses less digits than its factorization.

122320541331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13591171265 (or 13591171262 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 122320541331 its reverse (133145023221), we get a palindrome (255465564552).

The spelling of 122320541331 in words is "one hundred twenty-two billion, three hundred twenty million, five hundred forty-one thousand, three hundred thirty-one".