312323231121 has 16 divisors (see below), whose sum is σ = 461068762368. Its totient is φ = 186461629200.

The previous prime is 312323231093. The next prime is 312323231147. The reversal of 312323231121 is 121132323213.

It is not a de Polignac number, because 312323231121 - 2⁶ = 312323231057 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 312323231091 and 312323231100.

It is not an unprimeable number, because it can be changed into a prime (312323231161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70627195 + ... + 70631616.

It is an arithmetic number, because the mean of its divisors is an integer number (28816797648).

Almost surely, 2^312323231121 is an apocalyptic number.

It is an amenable number.

312323231121 is a deficient number, since it is larger than the sum of its proper divisors (148745531247).

312323231121 is a wasteful number, since it uses less digits than its factorization.

312323231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141258892.

The product of its digits is 1296, while the sum is 24.

Adding to 312323231121 its reverse (121132323213), we get a palindrome (433455554334).

The spelling of 312323231121 in words is "three hundred twelve billion, three hundred twenty-three million, two hundred thirty-one thousand, one hundred twenty-one".