343631471 has 4 divisors (see below), whose sum is σ = 346254744. Its totient is φ = 341008200.

The previous prime is 343631461. The next prime is 343631479. The reversal of 343631471 is 174136343.

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

It is a cyclic number.

It is not a de Polignac number, because 343631471 - 2¹⁴ = 343615087 is a prime.

It is a super-3 number, since 3×343631471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343631479) 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, 1311440 + ... + 1311701.

It is an arithmetic number, because the mean of its divisors is an integer number (86563686).

Almost surely, 2^343631471 is an apocalyptic number.

343631471 is a deficient number, since it is larger than the sum of its proper divisors (2623273).

343631471 is a wasteful number, since it uses less digits than its factorization.

343631471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623272.

The product of its digits is 18144, while the sum is 32.

The square root of 343631471 is about 18537.2994527250. The cubic root of 343631471 is about 700.4293087607.

The spelling of 343631471 in words is "three hundred forty-three million, six hundred thirty-one thousand, four hundred seventy-one".