346328431 has 2 divisors, whose sum is σ = 346328432. Its totient is φ = 346328430.

The previous prime is 346328429. The next prime is 346328443. The reversal of 346328431 is 134823643.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 346328431 - 2¹ = 346328429 is a prime.

It is a super-2 number, since 2×346328431² = 239886764237843522, which contains 22 as substring.

Together with 346328429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346328401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173164215 + 173164216.

It is an arithmetic number, because the mean of its divisors is an integer number (173164216).

Almost surely, 2^346328431 is an apocalyptic number.

346328431 is a deficient number, since it is larger than the sum of its proper divisors (1).

346328431 is an equidigital number, since it uses as much as digits as its factorization.

346328431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 34.

The square root of 346328431 is about 18609.9014237045. The cubic root of 346328431 is about 702.2569540382.

The spelling of 346328431 in words is "three hundred forty-six million, three hundred twenty-eight thousand, four hundred thirty-one".