343255131 has 8 divisors (see below), whose sum is σ = 508526160. Its totient is φ = 228836736.

The previous prime is 343255123. The next prime is 343255139. The reversal of 343255131 is 131552343.

It is an interprime number because it is at equal distance from previous prime (343255123) and next prime (343255139).

It is not a de Polignac number, because 343255131 - 2³ = 343255123 is a prime.

It is a super-2 number, since 2×343255131² = 235648169915654322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 12713153 = 343255131 / (3 + 4 + 3 + 2 + 5 + 5 + 1 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 343255095 and 343255104.

It is not an unprimeable number, because it can be changed into a prime (343255139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6356550 + ... + 6356603.

It is an arithmetic number, because the mean of its divisors is an integer number (63565770).

Almost surely, 2^343255131 is an apocalyptic number.

343255131 is a deficient number, since it is larger than the sum of its proper divisors (165271029).

343255131 is a wasteful number, since it uses less digits than its factorization.

343255131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12713162 (or 12713156 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 343255131 is about 18527.1457866559. The cubic root of 343255131 is about 700.1735154890.

The spelling of 343255131 in words is "three hundred forty-three million, two hundred fifty-five thousand, one hundred thirty-one".