12310203131113 has 4 divisors (see below), whose sum is σ = 12310445561220. Its totient is φ = 12309960701008.

The previous prime is 12310203131111. The next prime is 12310203131129. The reversal of 12310203131113 is 31113130201321.

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 7204650485904 + 5105552645209 = 2684148^2 + 2259547^2 .

It is a cyclic number.

It is not a de Polignac number, because 12310203131113 - 2¹ = 12310203131111 is a prime.

It is a super-2 number, since 2×12310203131113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12310203131111) 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, 121138870 + ... + 121240447.

It is an arithmetic number, because the mean of its divisors is an integer number (3077611390305).

Almost surely, 2^{12310203131113} is an apocalyptic number.

It is an amenable number.

12310203131113 is a deficient number, since it is larger than the sum of its proper divisors (242430107).

12310203131113 is an equidigital number, since it uses as much as digits as its factorization.

12310203131113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242430106.

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

Adding to 12310203131113 its reverse (31113130201321), we get a palindrome (43423333332434).

The spelling of 12310203131113 in words is "twelve trillion, three hundred ten billion, two hundred three million, one hundred thirty-one thousand, one hundred thirteen".