43131441322 has 4 divisors (see below), whose sum is σ = 64697161986. Its totient is φ = 21565720660.

The previous prime is 43131441307. The next prime is 43131441329. The reversal of 43131441322 is 22314413134.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 38091719241 + 5039722081 = 195171^2 + 70991^2 .

It is not an unprimeable number, because it can be changed into a prime (43131441329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10782860329 + ... + 10782860332.

Almost surely, 2^43131441322 is an apocalyptic number.

43131441322 is a deficient number, since it is larger than the sum of its proper divisors (21565720664).

43131441322 is a wasteful number, since it uses less digits than its factorization.

43131441322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21565720663.

The product of its digits is 6912, while the sum is 28.

Adding to 43131441322 its reverse (22314413134), we get a palindrome (65445854456).

The spelling of 43131441322 in words is "forty-three billion, one hundred thirty-one million, four hundred forty-one thousand, three hundred twenty-two".