345336211 has 4 divisors (see below), whose sum is σ = 376730424. Its totient is φ = 313942000.

The previous prime is 345336203. The next prime is 345336221. The reversal of 345336211 is 112633543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112633543 = 11 ⋅10239413.

It is a cyclic number.

It is not a de Polignac number, because 345336211 - 2³ = 345336203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345336211.

It is not an unprimeable number, because it can be changed into a prime (345336221) 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, 15697090 + ... + 15697111.

It is an arithmetic number, because the mean of its divisors is an integer number (94182606).

Almost surely, 2^345336211 is an apocalyptic number.

345336211 is a deficient number, since it is larger than the sum of its proper divisors (31394213).

345336211 is a wasteful number, since it uses less digits than its factorization.

345336211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31394212.

The product of its digits is 6480, while the sum is 28.

The square root of 345336211 is about 18583.2239129813. The cubic root of 345336211 is about 701.5856645685.

Adding to 345336211 its reverse (112633543), we get a palindrome (457969754).

The spelling of 345336211 in words is "three hundred forty-five million, three hundred thirty-six thousand, two hundred eleven".