313241103421 has 2 divisors, whose sum is σ = 313241103422. Its totient is φ = 313241103420.

The previous prime is 313241103367. The next prime is 313241103451. The reversal of 313241103421 is 124301142313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288733200921 + 24507902500 = 537339^2 + 156550^2 .

It is a cyclic number.

It is not a de Polignac number, because 313241103421 - 2³⁵ = 278881365053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313241103451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156620551710 + 156620551711.

It is an arithmetic number, because the mean of its divisors is an integer number (156620551711).

Almost surely, 2^313241103421 is an apocalyptic number.

It is an amenable number.

313241103421 is a deficient number, since it is larger than the sum of its proper divisors (1).

313241103421 is an equidigital number, since it uses as much as digits as its factorization.

313241103421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 313241103421 its reverse (124301142313), we get a palindrome (437542245734).

The spelling of 313241103421 in words is "three hundred thirteen billion, two hundred forty-one million, one hundred three thousand, four hundred twenty-one".