122311313131 has 8 divisors (see below), whose sum is σ = 141141488384. Its totient is φ = 103820420520.

The previous prime is 122311313083. The next prime is 122311313147. The reversal of 122311313131 is 131313113221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122311313131 - 2³³ = 113721378539 is a prime.

It is a super-2 number, since 2×122311313131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122311313171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84819885 + ... + 84821326.

It is an arithmetic number, because the mean of its divisors is an integer number (17642686048).

Almost surely, 2^122311313131 is an apocalyptic number.

122311313131 is a deficient number, since it is larger than the sum of its proper divisors (18830175253).

122311313131 is a wasteful number, since it uses less digits than its factorization.

122311313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169641321.

The product of its digits is 324, while the sum is 22.

Adding to 122311313131 its reverse (131313113221), we get a palindrome (253624426352).

The spelling of 122311313131 in words is "one hundred twenty-two billion, three hundred eleven million, three hundred thirteen thousand, one hundred thirty-one".