12311012122031 has 8 divisors (see below), whose sum is σ = 14073008595360. Its totient is φ = 10549835762688.

The previous prime is 12311012121971. The next prime is 12311012122039. The reversal of 12311012122031 is 13022121011321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12311012122031 is a prime.

It is a super-2 number, since 2×12311012122031² (a number of 27 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 = 12311012121994 and 12311012122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311012122039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204996326 + ... + 205056371.

It is an arithmetic number, because the mean of its divisors is an integer number (1759126074420).

Almost surely, 2^{12311012122031} is an apocalyptic number.

12311012122031 is a deficient number, since it is larger than the sum of its proper divisors (1761996473329).

12311012122031 is an equidigital number, since it uses as much as digits as its factorization.

12311012122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410056993.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12311012122031 its reverse (13022121011321), we get a palindrome (25333133133352).

The spelling of 12311012122031 in words is "twelve trillion, three hundred eleven billion, twelve million, one hundred twenty-two thousand, thirty-one".