313442401 has 2 divisors, whose sum is σ = 313442402. Its totient is φ = 313442400.

The previous prime is 313442387. The next prime is 313442407. The reversal of 313442401 is 104244313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310288225 + 3154176 = 17615^2 + 1776^2 .

It is a cyclic number.

It is not a de Polignac number, because 313442401 - 2⁵ = 313442369 is a prime.

It is a super-2 number, since 2×313442401² = 196492277489289602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313442407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156721200 + 156721201.

It is an arithmetic number, because the mean of its divisors is an integer number (156721201).

Almost surely, 2^313442401 is an apocalyptic number.

It is an amenable number.

313442401 is a deficient number, since it is larger than the sum of its proper divisors (1).

313442401 is an equidigital number, since it uses as much as digits as its factorization.

313442401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 313442401 is about 17704.3045895624. The cubic root of 313442401 is about 679.2858715442.

Adding to 313442401 its reverse (104244313), we get a palindrome (417686714).

The spelling of 313442401 in words is "three hundred thirteen million, four hundred forty-two thousand, four hundred one".