321414304101421 has 2 divisors, whose sum is σ = 321414304101422. Its totient is φ = 321414304101420.

The previous prime is 321414304101347. The next prime is 321414304101467. The reversal of 321414304101421 is 124101403414123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252104183528521 + 69310120572900 = 15877789^2 + 8325270^2 .

It is a cyclic number.

It is not a de Polignac number, because 321414304101421 - 2¹⁵ = 321414304068653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321414304101521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160707152050710 + 160707152050711.

It is an arithmetic number, because the mean of its divisors is an integer number (160707152050711).

Almost surely, 2^{321414304101421} is an apocalyptic number.

It is an amenable number.

321414304101421 is a deficient number, since it is larger than the sum of its proper divisors (1).

321414304101421 is an equidigital number, since it uses as much as digits as its factorization.

321414304101421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 321414304101421 its reverse (124101403414123), we get a palindrome (445515707515544).

The spelling of 321414304101421 in words is "three hundred twenty-one trillion, four hundred fourteen billion, three hundred four million, one hundred one thousand, four hundred twenty-one".