310121222121013 has 4 divisors (see below), whose sum is σ = 313191729270828. Its totient is φ = 307050714971200.

The previous prime is 310121222120989. The next prime is 310121222121019.

It is a happy number.

310121222121013 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 295507858076964 + 14613364044049 = 17190342^2 + 3822743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-310121222121013 is a prime.

It is a super-2 number, since 2×310121222121013² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310121222121019) 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, 1535253574756 + ... + 1535253574957.

It is an arithmetic number, because the mean of its divisors is an integer number (78297932317707).

Almost surely, 2^{310121222121013} is an apocalyptic number.

It is an amenable number.

310121222121013 is a deficient number, since it is larger than the sum of its proper divisors (3070507149815).

310121222121013 is a wasteful number, since it uses less digits than its factorization.

310121222121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070507149814.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 310121222121013 in words is "three hundred ten trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred twenty-one thousand, thirteen".