2231322320313 has 16 divisors (see below), whose sum is σ = 3305696107200. Its totient is φ = 1487533178880.

The previous prime is 2231322320299. The next prime is 2231322320371. The reversal of 2231322320313 is 3130232231322.

2231322320313 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 3 + 22 + 320 + 313 = 666.

It is not a de Polignac number, because 2231322320313 - 2²⁰ = 2231321271737 is a prime.

It is a super-3 number, since 3×2231322320313³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2231322320393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2736318 + ... + 3456888.

It is an arithmetic number, because the mean of its divisors is an integer number (206606006700).

Almost surely, 2^{2231322320313} is an apocalyptic number.

It is an amenable number.

2231322320313 is a deficient number, since it is larger than the sum of its proper divisors (1074373786887).

2231322320313 is a wasteful number, since it uses less digits than its factorization.

2231322320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835269 (or 835263 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 2231322320313 its reverse (3130232231322), we get a palindrome (5361554551635).

The spelling of 2231322320313 in words is "two trillion, two hundred thirty-one billion, three hundred twenty-two million, three hundred twenty thousand, three hundred thirteen".