345347231 has 8 divisors (see below), whose sum is σ = 381560544. Its totient is φ = 310900480.

The previous prime is 345347227. The next prime is 345347281. The reversal of 345347231 is 132743543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345347231 - 2² = 345347227 is a prime.

It is a super-2 number, since 2×345347231² = 238529419918734722, which contains 22 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 (345347281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441230 + ... + 442011.

It is an arithmetic number, because the mean of its divisors is an integer number (47695068).

Almost surely, 2^345347231 is an apocalyptic number.

345347231 is a deficient number, since it is larger than the sum of its proper divisors (36213313).

345347231 is a wasteful number, since it uses less digits than its factorization.

345347231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883281.

The product of its digits is 30240, while the sum is 32.

The square root of 345347231 is about 18583.5204146039. The cubic root of 345347231 is about 701.5931272397.

The spelling of 345347231 in words is "three hundred forty-five million, three hundred forty-seven thousand, two hundred thirty-one".