343241031 has 24 divisors (see below), whose sum is σ = 533314800. Its totient is φ = 195791232.

The previous prime is 343240993. The next prime is 343241069. The reversal of 343241031 is 130142343.

It is an interprime number because it is at equal distance from previous prime (343240993) and next prime (343241069).

It is not a de Polignac number, because 343241031 - 2⁹ = 343240519 is a prime.

It is a super-2 number, since 2×343241031² = 235628810723885922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 343240989 and 343241007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343241081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97795 + ... + 101243.

It is an arithmetic number, because the mean of its divisors is an integer number (22221450).

Almost surely, 2^343241031 is an apocalyptic number.

343241031 is a deficient number, since it is larger than the sum of its proper divisors (190073769).

343241031 is a wasteful number, since it uses less digits than its factorization.

343241031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143 (or 4136 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 343241031 is about 18526.7652600231. The cubic root of 343241031 is about 700.1639282744.

Adding to 343241031 its reverse (130142343), we get a palindrome (473383374).

The spelling of 343241031 in words is "three hundred forty-three million, two hundred forty-one thousand, thirty-one".