313100202010121 has 4 divisors (see below), whose sum is σ = 320381602056912. Its totient is φ = 305818801963332.

The previous prime is 313100202010117. The next prime is 313100202010159. The reversal of 313100202010121 is 121010202001313.

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 313100202010121 - 2² = 313100202010117 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 313100202010121.

It is not an unprimeable number, because it can be changed into a prime (313100202010111) 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, 3640700023331 + ... + 3640700023416.

It is an arithmetic number, because the mean of its divisors is an integer number (80095400514228).

Almost surely, 2^{313100202010121} is an apocalyptic number.

It is an amenable number.

313100202010121 is a deficient number, since it is larger than the sum of its proper divisors (7281400046791).

313100202010121 is an equidigital number, since it uses as much as digits as its factorization.

313100202010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7281400046790.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 313100202010121 its reverse (121010202001313), we get a palindrome (434110404011434).

The spelling of 313100202010121 in words is "three hundred thirteen trillion, one hundred billion, two hundred two million, ten thousand, one hundred twenty-one".