3112031120123 has 4 divisors (see below), whose sum is σ = 3112723764528. Its totient is φ = 3111338475720.

The previous prime is 3112031120087. The next prime is 3112031120147. The reversal of 3112031120123 is 3210211302113.

It is a happy number.

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 3112031120123 - 2²⁰ = 3112030071547 is a prime.

It is a super-2 number, since 2×3112031120123² (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 = 3112031120095 and 3112031120104.

It is not an unprimeable number, because it can be changed into a prime (3112031120623) 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, 346315463 + ... + 346324448.

It is an arithmetic number, because the mean of its divisors is an integer number (778180941132).

Almost surely, 2^{3112031120123} is an apocalyptic number.

3112031120123 is a deficient number, since it is larger than the sum of its proper divisors (692644405).

3112031120123 is an equidigital number, since it uses as much as digits as its factorization.

3112031120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692644404.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3112031120123 its reverse (3210211302113), we get a palindrome (6322242422236).

The spelling of 3112031120123 in words is "three trillion, one hundred twelve billion, thirty-one million, one hundred twenty thousand, one hundred twenty-three".