312013020041321 has 32 divisors (see below), whose sum is σ = 325728506505600. Its totient is φ = 298629235054080.

The previous prime is 312013020041299. The next prime is 312013020041399. The reversal of 312013020041321 is 123140020310213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312013020041321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312013020041221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4838204045 + ... + 4838268533.

It is an arithmetic number, because the mean of its divisors is an integer number (10179015828300).

Almost surely, 2^{312013020041321} is an apocalyptic number.

It is an amenable number.

312013020041321 is a deficient number, since it is larger than the sum of its proper divisors (13715486464279).

312013020041321 is a wasteful number, since it uses less digits than its factorization.

312013020041321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71529.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 312013020041321 its reverse (123140020310213), we get a palindrome (435153040351534).

The spelling of 312013020041321 in words is "three hundred twelve trillion, thirteen billion, twenty million, forty-one thousand, three hundred twenty-one".