312413023302121 has 4 divisors (see below), whose sum is σ = 357043455202432. Its totient is φ = 267782591401812.

The previous prime is 312413023302091. The next prime is 312413023302143. The reversal of 312413023302121 is 121203320314213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312413023302121 - 2¹⁷ = 312413023171049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312413023302121.

It is not an unprimeable number, because it can be changed into a prime (312413023302151) 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, 22315215950145 + ... + 22315215950158.

It is an arithmetic number, because the mean of its divisors is an integer number (89260863800608).

Almost surely, 2^{312413023302121} is an apocalyptic number.

It is an amenable number.

312413023302121 is a deficient number, since it is larger than the sum of its proper divisors (44630431900311).

312413023302121 is an equidigital number, since it uses as much as digits as its factorization.

312413023302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44630431900310.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 312413023302121 its reverse (121203320314213), we get a palindrome (433616343616334).

The spelling of 312413023302121 in words is "three hundred twelve trillion, four hundred thirteen billion, twenty-three million, three hundred two thousand, one hundred twenty-one".