343411431 has 12 divisors (see below), whose sum is σ = 503292216. Its totient is φ = 208127920.

The previous prime is 343411427. The next prime is 343411457. The reversal of 343411431 is 134114343.

It is not a de Polignac number, because 343411431 - 2² = 343411427 is a prime.

It is a super-2 number, since 2×343411431² = 235862821882935522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343411231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472656 + ... + 473381.

It is an arithmetic number, because the mean of its divisors is an integer number (41941018).

Almost surely, 2^343411431 is an apocalyptic number.

343411431 is a deficient number, since it is larger than the sum of its proper divisors (159880785).

343411431 is a wasteful number, since it uses less digits than its factorization.

343411431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946062 (or 946051 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 343411431 is about 18531.3634414740. The cubic root of 343411431 is about 700.2797732005.

Adding to 343411431 its reverse (134114343), we get a palindrome (477525774).

It can be divided in two parts, 3 and 43411431, that added together give a palindrome (43411434).

The spelling of 343411431 in words is "three hundred forty-three million, four hundred eleven thousand, four hundred thirty-one".