343413131 has 4 divisors (see below), whose sum is σ = 345398352. Its totient is φ = 341427912.

The previous prime is 343413121. The next prime is 343413137. The reversal of 343413131 is 131314343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131314343 = 277 ⋅474059.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343413131 is a prime.

It is a super-2 number, since 2×343413131² = 235865157086446322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343413097 and 343413106.

It is not an unprimeable number, because it can be changed into a prime (343413137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992351 + ... + 992696.

It is an arithmetic number, because the mean of its divisors is an integer number (86349588).

Almost surely, 2^343413131 is an apocalyptic number.

343413131 is a deficient number, since it is larger than the sum of its proper divisors (1985221).

343413131 is a wasteful number, since it uses less digits than its factorization.

343413131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985220.

The product of its digits is 1296, while the sum is 23.

The square root of 343413131 is about 18531.4093096019. The cubic root of 343413131 is about 700.2809287373.

Adding to 343413131 its reverse (131314343), we get a palindrome (474727474).

The spelling of 343413131 in words is "three hundred forty-three million, four hundred thirteen thousand, one hundred thirty-one".