34520311 has 4 divisors (see below), whose sum is σ = 39451792. Its totient is φ = 29588832.

The previous prime is 34520293. The next prime is 34520323. The reversal of 34520311 is 11302543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11302543 = 7 ⋅1614649.

It is not a de Polignac number, because 34520311 - 2⁵ = 34520279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34520911) 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, 2465730 + ... + 2465743.

It is an arithmetic number, because the mean of its divisors is an integer number (9862948).

Almost surely, 2^34520311 is an apocalyptic number.

34520311 is a deficient number, since it is larger than the sum of its proper divisors (4931481).

34520311 is an equidigital number, since it uses as much as digits as its factorization.

34520311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931480.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 34520311 is about 5875.3987949755. The cubic root of 34520311 is about 325.6053758115.

Adding to 34520311 its reverse (11302543), we get a palindrome (45822854).

The spelling of 34520311 in words is "thirty-four million, five hundred twenty thousand, three hundred eleven".