347263431 has 4 divisors (see below), whose sum is σ = 463017912. Its totient is φ = 231508952.

The previous prime is 347263421. The next prime is 347263459. The reversal of 347263431 is 134362743.

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 347263431 - 2⁷ = 347263303 is a prime.

It is a super-2 number, since 2×347263431² = 241183781019783522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 347263392 and 347263401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347263421) 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, 57877236 + ... + 57877241.

It is an arithmetic number, because the mean of its divisors is an integer number (115754478).

Almost surely, 2^347263431 is an apocalyptic number.

347263431 is a deficient number, since it is larger than the sum of its proper divisors (115754481).

347263431 is a wasteful number, since it uses less digits than its factorization.

347263431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115754480.

The product of its digits is 36288, while the sum is 33.

The square root of 347263431 is about 18635.0055272329. The cubic root of 347263431 is about 702.8883587816. Note that the first 3 decimals are identical.

The spelling of 347263431 in words is "three hundred forty-seven million, two hundred sixty-three thousand, four hundred thirty-one".