320441351 has 2 divisors, whose sum is σ = 320441352. Its totient is φ = 320441350.

The previous prime is 320441323. The next prime is 320441371. The reversal of 320441351 is 153144023.

It is a strong prime.

It is an emirp because it is prime and its reverse (153144023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320441351 - 2¹⁴ = 320424967 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320441321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160220675 + 160220676.

It is an arithmetic number, because the mean of its divisors is an integer number (160220676).

Almost surely, 2^320441351 is an apocalyptic number.

320441351 is a deficient number, since it is larger than the sum of its proper divisors (1).

320441351 is an equidigital number, since it uses as much as digits as its factorization.

320441351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 320441351 is about 17900.8757048363. The cubic root of 320441351 is about 684.3046923763.

Adding to 320441351 its reverse (153144023), we get a palindrome (473585374).

The spelling of 320441351 in words is "three hundred twenty million, four hundred forty-one thousand, three hundred fifty-one".