344320231 has 2 divisors, whose sum is σ = 344320232. Its totient is φ = 344320230.

The previous prime is 344320213. The next prime is 344320243. The reversal of 344320231 is 132023443.

It is a happy number.

Together with previous prime (344320213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344320231 - 2¹⁹ = 343795943 is a prime.

It is a super-2 number, since 2×344320231² = 237112842951786722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344326231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172160115 + 172160116.

It is an arithmetic number, because the mean of its divisors is an integer number (172160116).

Almost surely, 2^344320231 is an apocalyptic number.

344320231 is a deficient number, since it is larger than the sum of its proper divisors (1).

344320231 is an equidigital number, since it uses as much as digits as its factorization.

344320231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 344320231 is about 18555.8678320363. The cubic root of 344320231 is about 700.8969664801.

Adding to 344320231 its reverse (132023443), we get a palindrome (476343674).

The spelling of 344320231 in words is "three hundred forty-four million, three hundred twenty thousand, two hundred thirty-one".