3431908105 has 4 divisors (see below), whose sum is σ = 4118289732. Its totient is φ = 2745526480.

The previous prime is 3431908097. The next prime is 3431908127. The reversal of 3431908105 is 5018091343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2419459344 + 1012448761 = 49188^2 + 31819^2 .

It is not a de Polignac number, because 3431908105 - 2³ = 3431908097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343190806 + ... + 343190815.

It is an arithmetic number, because the mean of its divisors is an integer number (1029572433).

Almost surely, 2^3431908105 is an apocalyptic number.

It is an amenable number.

3431908105 is a deficient number, since it is larger than the sum of its proper divisors (686381627).

3431908105 is an equidigital number, since it uses as much as digits as its factorization.

3431908105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686381626.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 3431908105 is about 58582.4897473639. The cubic root of 3431908105 is about 1508.3838833996.

Adding to 3431908105 its reverse (5018091343), we get a palindrome (8449999448).

The spelling of 3431908105 in words is "three billion, four hundred thirty-one million, nine hundred eight thousand, one hundred five".