344226431 has 2 divisors, whose sum is σ = 344226432. Its totient is φ = 344226430.

The previous prime is 344226413. The next prime is 344226437. The reversal of 344226431 is 134622443.

Together with previous prime (344226413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (134622443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344226431 - 2²² = 340032127 is a prime.

It is a super-2 number, since 2×344226431² = 236983671597995522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 344226394 and 344226403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344226437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172113215 + 172113216.

It is an arithmetic number, because the mean of its divisors is an integer number (172113216).

Almost surely, 2^344226431 is an apocalyptic number.

344226431 is a deficient number, since it is larger than the sum of its proper divisors (1).

344226431 is an equidigital number, since it uses as much as digits as its factorization.

344226431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

The square root of 344226431 is about 18553.3401575026. The cubic root of 344226431 is about 700.8333143907.

Adding to 344226431 its reverse (134622443), we get a palindrome (478848874).

The spelling of 344226431 in words is "three hundred forty-four million, two hundred twenty-six thousand, four hundred thirty-one".