300312121313 has 4 divisors (see below), whose sum is σ = 300650692800. Its totient is φ = 299973549828.

The previous prime is 300312121301. The next prime is 300312121363. The reversal of 300312121313 is 313121213003.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313121213003 = 29 ⋅10797283207.

It is a cyclic number.

It is not a de Polignac number, because 300312121313 - 2²⁸ = 300043685857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (300312121363) 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, 169284413 + ... + 169286186.

It is an arithmetic number, because the mean of its divisors is an integer number (75162673200).

Almost surely, 2^300312121313 is an apocalyptic number.

It is an amenable number.

300312121313 is a deficient number, since it is larger than the sum of its proper divisors (338571487).

300312121313 is an equidigital number, since it uses as much as digits as its factorization.

300312121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338571486.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 300312121313 its reverse (313121213003), we get a palindrome (613433334316).

The spelling of 300312121313 in words is "three hundred billion, three hundred twelve million, one hundred twenty-one thousand, three hundred thirteen".