313034314231421 has 2 divisors, whose sum is σ = 313034314231422. Its totient is φ = 313034314231420.

The previous prime is 313034314231363. The next prime is 313034314231423. The reversal of 313034314231421 is 124132413430313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267501104522521 + 45533209708900 = 16355461^2 + 6747830^2 .

It is a cyclic number.

It is not a de Polignac number, because 313034314231421 - 2¹⁰ = 313034314230397 is a prime.

Together with 313034314231423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313034314231423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156517157115710 + 156517157115711.

It is an arithmetic number, because the mean of its divisors is an integer number (156517157115711).

Almost surely, 2^{313034314231421} is an apocalyptic number.

It is an amenable number.

313034314231421 is a deficient number, since it is larger than the sum of its proper divisors (1).

313034314231421 is an equidigital number, since it uses as much as digits as its factorization.

313034314231421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 313034314231421 its reverse (124132413430313), we get a palindrome (437166727661734).

The spelling of 313034314231421 in words is "three hundred thirteen trillion, thirty-four billion, three hundred fourteen million, two hundred thirty-one thousand, four hundred twenty-one".