12310113031 has 4 divisors (see below), whose sum is σ = 12313238992. Its totient is φ = 12306987072.

The previous prime is 12310113029. The next prime is 12310113073. The reversal of 12310113031 is 13031101321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13031101321 = 7 ⋅1861585903.

It is a cyclic number.

It is not a de Polignac number, because 12310113031 - 2¹ = 12310113029 is a prime.

It is a super-2 number, since 2×12310113031² (a number of 21 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 = 12310112996 and 12310113014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310113331) 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, 1557066 + ... + 1564951.

It is an arithmetic number, because the mean of its divisors is an integer number (3078309748).

Almost surely, 2^12310113031 is an apocalyptic number.

12310113031 is a deficient number, since it is larger than the sum of its proper divisors (3125961).

12310113031 is an equidigital number, since it uses as much as digits as its factorization.

12310113031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125960.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 12310113031 its reverse (13031101321), we get a palindrome (25341214352).

The spelling of 12310113031 in words is "twelve billion, three hundred ten million, one hundred thirteen thousand, thirty-one".