312311222113213 has 8 divisors (see below), whose sum is σ = 325937664606528. Its totient is φ = 298688754095424.

The previous prime is 312311222113201. The next prime is 312311222113367.

312311222113213 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312311222113213 - 2¹³ = 312311222105021 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 (312311222153213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993458295 + ... + 993772612.

It is an arithmetic number, because the mean of its divisors is an integer number (40742208075816).

Almost surely, 2^{312311222113213} is an apocalyptic number.

It is an amenable number.

312311222113213 is a deficient number, since it is larger than the sum of its proper divisors (13626442493315).

312311222113213 is a wasteful number, since it uses less digits than its factorization.

312311222113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987237763.

The product of its digits is 2592, while the sum is 28.

The spelling of 312311222113213 in words is "three hundred twelve trillion, three hundred eleven billion, two hundred twenty-two million, one hundred thirteen thousand, two hundred thirteen".