345100111 has 2 divisors, whose sum is σ = 345100112. Its totient is φ = 345100110.

The previous prime is 345100099. The next prime is 345100117. The reversal of 345100111 is 111001543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345100111 - 2¹¹ = 345098063 is a prime.

It is a super-2 number, since 2×345100111² = 238188173224424642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345100117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172550055 + 172550056.

It is an arithmetic number, because the mean of its divisors is an integer number (172550056).

Almost surely, 2^345100111 is an apocalyptic number.

345100111 is a deficient number, since it is larger than the sum of its proper divisors (1).

345100111 is an equidigital number, since it uses as much as digits as its factorization.

345100111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 345100111 is about 18576.8703230657. The cubic root of 345100111 is about 701.4257410564.

Adding to 345100111 its reverse (111001543), we get a palindrome (456101654).

The spelling of 345100111 in words is "three hundred forty-five million, one hundred thousand, one hundred eleven".