312323505323213 has 4 divisors (see below), whose sum is σ = 312517857226080. Its totient is φ = 312129153420348.

The previous prime is 312323505323191. The next prime is 312323505323227.

312323505323213 is nontrivially palindromic in base 10.

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.

It is a cyclic number.

It is not a de Polignac number, because 312323505323213 - 2¹² = 312323505319117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312323505323513) 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, 97175949023 + ... + 97175952236.

It is an arithmetic number, because the mean of its divisors is an integer number (78129464306520).

Almost surely, 2^{312323505323213} is an apocalyptic number.

It is an amenable number.

312323505323213 is a deficient number, since it is larger than the sum of its proper divisors (194351902867).

312323505323213 is a wasteful number, since it uses less digits than its factorization.

312323505323213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194351902866.

The product of its (nonzero) digits is 291600, while the sum is 38.

It can be divided in two parts, 31232350 and 5323213, that added together give a palindrome (36555563).

The spelling of 312323505323213 in words is "three hundred twelve trillion, three hundred twenty-three billion, five hundred five million, three hundred twenty-three thousand, two hundred thirteen".