343473631 has 2 divisors, whose sum is σ = 343473632. Its totient is φ = 343473630.

The previous prime is 343473623. The next prime is 343473643. The reversal of 343473631 is 136374343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343473631 - 2³ = 343473623 is a prime.

It is a super-2 number, since 2×343473631² = 235948270384648322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343473601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171736815 + 171736816.

It is an arithmetic number, because the mean of its divisors is an integer number (171736816).

Almost surely, 2^343473631 is an apocalyptic number.

343473631 is a deficient number, since it is larger than the sum of its proper divisors (1).

343473631 is an equidigital number, since it uses as much as digits as its factorization.

343473631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 34.

The square root of 343473631 is about 18533.0416014210. The cubic root of 343473631 is about 700.3220497707.

The spelling of 343473631 in words is "three hundred forty-three million, four hundred seventy-three thousand, six hundred thirty-one".