343412131 has 4 divisors (see below), whose sum is σ = 347759200. Its totient is φ = 339065064.

The previous prime is 343412119. The next prime is 343412143. The reversal of 343412131 is 131214343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131214343 = 13 ⋅10093411.

It is an interprime number because it is at equal distance from previous prime (343412119) and next prime (343412143).

It is a cyclic number.

It is not a de Polignac number, because 343412131 - 2²¹ = 341314979 is a prime.

It is a super-2 number, since 2×343412131² = 235863783435922322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343412101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2173416 + ... + 2173573.

It is an arithmetic number, because the mean of its divisors is an integer number (86939800).

Almost surely, 2^343412131 is an apocalyptic number.

343412131 is a deficient number, since it is larger than the sum of its proper divisors (4347069).

343412131 is an equidigital number, since it uses as much as digits as its factorization.

343412131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347068.

The product of its digits is 864, while the sum is 22.

The square root of 343412131 is about 18531.3823283640. The cubic root of 343412131 is about 700.2802490102.

Adding to 343412131 its reverse (131214343), we get a palindrome (474626474).

The spelling of 343412131 in words is "three hundred forty-three million, four hundred twelve thousand, one hundred thirty-one".