34005131 has 4 divisors (see below), whose sum is σ = 34795992. Its totient is φ = 33214272.

The previous prime is 34005077. The next prime is 34005137. The reversal of 34005131 is 13150043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13150043 = 23 ⋅571741.

It is a cyclic number.

It is not a de Polignac number, because 34005131 - 2²² = 29810827 is a prime.

It is a super-2 number, since 2×34005131² = 2312697868654322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34005137) 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, 395366 + ... + 395451.

It is an arithmetic number, because the mean of its divisors is an integer number (8698998).

Almost surely, 2^34005131 is an apocalyptic number.

34005131 is a deficient number, since it is larger than the sum of its proper divisors (790861).

34005131 is an equidigital number, since it uses as much as digits as its factorization.

34005131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790860.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 34005131 is about 5831.3918578672. The cubic root of 34005131 is about 323.9774758258.

Adding to 34005131 its reverse (13150043), we get a palindrome (47155174).

The spelling of 34005131 in words is "thirty-four million, five thousand, one hundred thirty-one".