312421024301321 has 6 divisors (see below), whose sum is σ = 338302055900430. Its totient is φ = 288388637816448.

The previous prime is 312421024301291. The next prime is 312421024301329. The reversal of 312421024301321 is 123103420124213.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 628950508096 + 311792073793225 = 793064^2 + 17657635^2 .

It is not a de Polignac number, because 312421024301321 - 2⁶ = 312421024301257 is a prime.

It is a super-3 number, since 3×312421024301321³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (312421024301329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 924322556936 + ... + 924322557273.

It is an arithmetic number, because the mean of its divisors is an integer number (56383675983405).

Almost surely, 2^{312421024301321} is an apocalyptic number.

It is an amenable number.

312421024301321 is a deficient number, since it is larger than the sum of its proper divisors (25881031599109).

312421024301321 is a wasteful number, since it uses less digits than its factorization.

312421024301321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848645114235 (or 1848645114222 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 312421024301321 its reverse (123103420124213), we get a palindrome (435524444425534).

The spelling of 312421024301321 in words is "three hundred twelve trillion, four hundred twenty-one billion, twenty-four million, three hundred one thousand, three hundred twenty-one".