343754431 has 2 divisors, whose sum is σ = 343754432. Its totient is φ = 343754430.

The previous prime is 343754407. The next prime is 343754471. The reversal of 343754431 is 134457343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343754431 - 2¹⁵ = 343721663 is a prime.

It is a super-2 number, since 2×343754431² = 236334217664267522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343754471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171877215 + 171877216.

It is an arithmetic number, because the mean of its divisors is an integer number (171877216).

Almost surely, 2^343754431 is an apocalyptic number.

343754431 is a deficient number, since it is larger than the sum of its proper divisors (1).

343754431 is an equidigital number, since it uses as much as digits as its factorization.

343754431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 34.

The square root of 343754431 is about 18540.6157125377. The cubic root of 343754431 is about 700.5128425506.

The spelling of 343754431 in words is "three hundred forty-three million, seven hundred fifty-four thousand, four hundred thirty-one".