343072231 has 2 divisors, whose sum is σ = 343072232. Its totient is φ = 343072230.

The previous prime is 343072201. The next prime is 343072241. The reversal of 343072231 is 132270343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343072231 - 2²³ = 334683623 is a prime.

It is a super-2 number, since 2×343072231² = 235397111366634722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343072196 and 343072205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343072201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171536115 + 171536116.

It is an arithmetic number, because the mean of its divisors is an integer number (171536116).

Almost surely, 2^343072231 is an apocalyptic number.

343072231 is a deficient number, since it is larger than the sum of its proper divisors (1).

343072231 is an equidigital number, since it uses as much as digits as its factorization.

343072231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 343072231 is about 18522.2091285030. The cubic root of 343072231 is about 700.0491332859.

The spelling of 343072231 in words is "three hundred forty-three million, seventy-two thousand, two hundred thirty-one".