343413431 has 4 divisors (see below), whose sum is σ = 344781864. Its totient is φ = 342045000.

The previous prime is 343413419. The next prime is 343413449. The reversal of 343413431 is 134314343.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343413431 is a prime.

It is a super-2 number, since 2×343413431² = 235865569182383522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343413431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343412431) 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, 683840 + ... + 684341.

It is an arithmetic number, because the mean of its divisors is an integer number (86195466).

Almost surely, 2^343413431 is an apocalyptic number.

343413431 is a deficient number, since it is larger than the sum of its proper divisors (1368433).

343413431 is a wasteful number, since it uses less digits than its factorization.

343413431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368432.

The product of its digits is 5184, while the sum is 26.

The square root of 343413431 is about 18531.4174039656. The cubic root of 343413431 is about 700.2811326552.

Adding to 343413431 its reverse (134314343), we get a palindrome (477727774).

The spelling of 343413431 in words is "three hundred forty-three million, four hundred thirteen thousand, four hundred thirty-one".