312332120233 has 4 divisors (see below), whose sum is σ = 356950994560. Its totient is φ = 267713245908.

The previous prime is 312332120207. The next prime is 312332120249. The reversal of 312332120233 is 332021233213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332021233213 = 127 ⋅2614340419.

It is a cyclic number.

It is not a de Polignac number, because 312332120233 - 2¹⁷ = 312331989161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312332120198 and 312332120207.

It is not an unprimeable number, because it can be changed into a prime (312332120833) 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, 22309437153 + ... + 22309437166.

It is an arithmetic number, because the mean of its divisors is an integer number (89237748640).

Almost surely, 2^312332120233 is an apocalyptic number.

It is an amenable number.

312332120233 is a deficient number, since it is larger than the sum of its proper divisors (44618874327).

312332120233 is an equidigital number, since it uses as much as digits as its factorization.

312332120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44618874326.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 312332120233 its reverse (332021233213), we get a palindrome (644353353446).

The spelling of 312332120233 in words is "three hundred twelve billion, three hundred thirty-two million, one hundred twenty thousand, two hundred thirty-three".