312312030233 has 4 divisors (see below), whose sum is σ = 356928034560. Its totient is φ = 267696025908.

The previous prime is 312312030203. The next prime is 312312030299. The reversal of 312312030233 is 332030213213.

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: 332030213213 = 29 ⋅11449317697.

It is a cyclic number.

It is not a de Polignac number, because 312312030233 - 2¹² = 312312026137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312312030199 and 312312030208.

It is not an unprimeable number, because it can be changed into a prime (312312030203) 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, 22308002153 + ... + 22308002166.

It is an arithmetic number, because the mean of its divisors is an integer number (89232008640).

Almost surely, 2^312312030233 is an apocalyptic number.

It is an amenable number.

312312030233 is a deficient number, since it is larger than the sum of its proper divisors (44616004327).

312312030233 is an equidigital number, since it uses as much as digits as its factorization.

312312030233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44616004326.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 312312030233 its reverse (332030213213), we get a palindrome (644342243446).

The spelling of 312312030233 in words is "three hundred twelve billion, three hundred twelve million, thirty thousand, two hundred thirty-three".