34117813 has 4 divisors (see below), whose sum is σ = 34241260. Its totient is φ = 33994368.

The previous prime is 34117801. The next prime is 34117841. The reversal of 34117813 is 31871143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31871143 = 73 ⋅436591.

It can be written as a sum of positive squares in 2 ways, for example, as 15816529 + 18301284 = 3977^2 + 4278^2 .

It is a cyclic number.

It is not a de Polignac number, because 34117813 - 2⁹ = 34117301 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 (34117613) 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, 61308 + ... + 61861.

It is an arithmetic number, because the mean of its divisors is an integer number (8560315).

Almost surely, 2^34117813 is an apocalyptic number.

It is an amenable number.

34117813 is a deficient number, since it is larger than the sum of its proper divisors (123447).

34117813 is a wasteful number, since it uses less digits than its factorization.

34117813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123446.

The product of its digits is 2016, while the sum is 28.

The square root of 34117813 is about 5841.0455399697. The cubic root of 34117813 is about 324.3349334548.

Adding to 34117813 its reverse (31871143), we get a palindrome (65988956).

The spelling of 34117813 in words is "thirty-four million, one hundred seventeen thousand, eight hundred thirteen".