2310123312131 has 4 divisors (see below), whose sum is σ = 2349277944600. Its totient is φ = 2270968679664.

The previous prime is 2310123312127. The next prime is 2310123312137. The reversal of 2310123312131 is 1312133210132.

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

It is a cyclic number.

It is not a de Polignac number, because 2310123312131 - 2² = 2310123312127 is a prime.

It is a super-2 number, since 2×2310123312131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2310123312097 and 2310123312106.

It is not an unprimeable number, because it can be changed into a prime (2310123312137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19577316146 + ... + 19577316263.

It is an arithmetic number, because the mean of its divisors is an integer number (587319486150).

Almost surely, 2^{2310123312131} is an apocalyptic number.

2310123312131 is a deficient number, since it is larger than the sum of its proper divisors (39154632469).

2310123312131 is an equidigital number, since it uses as much as digits as its factorization.

2310123312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39154632468.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2310123312131 its reverse (1312133210132), we get a palindrome (3622256522263).

The spelling of 2310123312131 in words is "two trillion, three hundred ten billion, one hundred twenty-three million, three hundred twelve thousand, one hundred thirty-one".