34405131 has 4 divisors (see below), whose sum is σ = 45873512. Its totient is φ = 22936752.

The previous prime is 34405123. The next prime is 34405139. The reversal of 34405131 is 13150443.

34405131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13150443 = 3 ⋅4383481.

It is an interprime number because it is at equal distance from previous prime (34405123) and next prime (34405139).

It is not a de Polignac number, because 34405131 - 2³ = 34405123 is a prime.

It is a super-2 number, since 2×34405131² = 2367426078254322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34405098 and 34405107.

It is not an unprimeable number, because it can be changed into a prime (34405139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5734186 + ... + 5734191.

It is an arithmetic number, because the mean of its divisors is an integer number (11468378).

Almost surely, 2^34405131 is an apocalyptic number.

34405131 is a deficient number, since it is larger than the sum of its proper divisors (11468381).

34405131 is a wasteful number, since it uses less digits than its factorization.

34405131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11468380.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 34405131 is about 5865.5887172559. The cubic root of 34405131 is about 325.2428354740.

Adding to 34405131 its reverse (13150443), we get a palindrome (47555574).

The spelling of 34405131 in words is "thirty-four million, four hundred five thousand, one hundred thirty-one".