313204132314421 has 2 divisors, whose sum is σ = 313204132314422. Its totient is φ = 313204132314420.

The previous prime is 313204132314419. The next prime is 313204132314473. The reversal of 313204132314421 is 124413231402313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197227925213796 + 115976207100625 = 14043786^2 + 10769225^2 .

It is a cyclic number.

It is not a de Polignac number, because 313204132314421 - 2¹ = 313204132314419 is a prime.

Together with 313204132314419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313204132314721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156602066157210 + 156602066157211.

It is an arithmetic number, because the mean of its divisors is an integer number (156602066157211).

Almost surely, 2^{313204132314421} is an apocalyptic number.

It is an amenable number.

313204132314421 is a deficient number, since it is larger than the sum of its proper divisors (1).

313204132314421 is an equidigital number, since it uses as much as digits as its factorization.

313204132314421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 313204132314421 its reverse (124413231402313), we get a palindrome (437617363716734).

The spelling of 313204132314421 in words is "three hundred thirteen trillion, two hundred four billion, one hundred thirty-two million, three hundred fourteen thousand, four hundred twenty-one".