343231231 has 12 divisors (see below), whose sum is σ = 416629872. Its totient is φ = 281406048.

The previous prime is 343231223. The next prime is 343231237. The reversal of 343231231 is 132132343.

It is not a de Polignac number, because 343231231 - 2³ = 343231223 is a prime.

It is a super-2 number, since 2×343231231² = 235615355867550722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343231237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151150 + ... + 153403.

It is an arithmetic number, because the mean of its divisors is an integer number (34719156).

Almost surely, 2^343231231 is an apocalyptic number.

343231231 is a deficient number, since it is larger than the sum of its proper divisors (73398641).

343231231 is a wasteful number, since it uses less digits than its factorization.

343231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304590 (or 304583 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 343231231 is about 18526.5007759156. The cubic root of 343231231 is about 700.1572646657.

Adding to 343231231 its reverse (132132343), we get a palindrome (475363574).

It can be divided in two parts, 3432312 and 31, that added together give a palindrome (3432343).

The spelling of 343231231 in words is "three hundred forty-three million, two hundred thirty-one thousand, two hundred thirty-one".