345530111 has 2 divisors, whose sum is σ = 345530112. Its totient is φ = 345530110.

The previous prime is 345530089. The next prime is 345530147. The reversal of 345530111 is 111035543.

It is a weak prime.

It is an emirp because it is prime and its reverse (111035543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345530111 - 2¹⁰ = 345529087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345530011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172765055 + 172765056.

It is an arithmetic number, because the mean of its divisors is an integer number (172765056).

Almost surely, 2^345530111 is an apocalyptic number.

345530111 is a deficient number, since it is larger than the sum of its proper divisors (1).

345530111 is an equidigital number, since it uses as much as digits as its factorization.

345530111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 345530111 is about 18588.4402519415. The cubic root of 345530111 is about 701.7169491959.

Adding to 345530111 its reverse (111035543), we get a palindrome (456565654).

The spelling of 345530111 in words is "three hundred forty-five million, five hundred thirty thousand, one hundred eleven".