345166231 has 2 divisors, whose sum is σ = 345166232. Its totient is φ = 345166230.

The previous prime is 345166193. The next prime is 345166253. The reversal of 345166231 is 132661543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345166231 - 2¹⁹ = 344641943 is a prime.

It is a super-2 number, since 2×345166231² = 238279454045490722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 345166193 and 345166202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345166531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172583115 + 172583116.

It is an arithmetic number, because the mean of its divisors is an integer number (172583116).

Almost surely, 2^345166231 is an apocalyptic number.

345166231 is a deficient number, since it is larger than the sum of its proper divisors (1).

345166231 is an equidigital number, since it uses as much as digits as its factorization.

345166231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 345166231 is about 18578.6498702139. The cubic root of 345166231 is about 701.4705351194.

The spelling of 345166231 in words is "three hundred forty-five million, one hundred sixty-six thousand, two hundred thirty-one".