312403314201021 has 12 divisors (see below), whose sum is σ = 452074184522272. Its totient is φ = 207888128642376.

The previous prime is 312403314201007. The next prime is 312403314201037. The reversal of 312403314201021 is 120102413304213.

312403314201021 is a `hidden beast` number, since 3 + 1 + 2 + 403 + 31 + 4 + 201 + 0 + 21 = 666.

It is not a de Polignac number, because 312403314201021 - 2¹⁰ = 312403314199997 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 (312403312201021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31728952441 + ... + 31728962286.

Almost surely, 2^{312403314201021} is an apocalyptic number.

It is an amenable number.

312403314201021 is a deficient number, since it is larger than the sum of its proper divisors (139670870321251).

312403314201021 is a wasteful number, since it uses less digits than its factorization.

312403314201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63457915280 (or 63457915277 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 312403314201021 its reverse (120102413304213), we get a palindrome (432505727505234).

The spelling of 312403314201021 in words is "three hundred twelve trillion, four hundred three billion, three hundred fourteen million, two hundred one thousand, twenty-one".