43131330034 has 16 divisors (see below), whose sum is σ = 69796160280. Its totient is φ = 19871775360.

The previous prime is 43131329957. The next prime is 43131330043. The reversal of 43131330034 is 43003313134.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33220530225 + 9910799809 = 182265^2 + 99553^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43131329990 and 43131330008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1442937 + ... + 1472524.

Almost surely, 2^43131330034 is an apocalyptic number.

43131330034 is a deficient number, since it is larger than the sum of its proper divisors (26664830246).

43131330034 is a wasteful number, since it uses less digits than its factorization.

43131330034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916045.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 43131330034 its reverse (43003313134), we get a palindrome (86134643168).

The spelling of 43131330034 in words is "forty-three billion, one hundred thirty-one million, three hundred thirty thousand, thirty-four".