312322111320001 has 4 divisors (see below), whose sum is σ = 314127441443412. Its totient is φ = 310516781196592.

The previous prime is 312322111319843. The next prime is 312322111320029. The reversal of 312322111320001 is 100023111223213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 174867590510001 + 137454520810000 = 13223751^2 + 11724100^2 .

It is a cyclic number.

It is not a de Polignac number, because 312322111320001 - 2²⁹ = 312321574449089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312322111330001) 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, 902665061446 + ... + 902665061791.

It is an arithmetic number, because the mean of its divisors is an integer number (78531860360853).

Almost surely, 2^{312322111320001} is an apocalyptic number.

It is an amenable number.

312322111320001 is a deficient number, since it is larger than the sum of its proper divisors (1805330123411).

312322111320001 is a wasteful number, since it uses less digits than its factorization.

312322111320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805330123410.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 312322111320001 its reverse (100023111223213), we get a palindrome (412345222543214).

The spelling of 312322111320001 in words is "three hundred twelve trillion, three hundred twenty-two billion, one hundred eleven million, three hundred twenty thousand, one".