43242131204 has 24 divisors (see below), whose sum is σ = 77177437848. Its totient is φ = 21192238080.

The previous prime is 43242131197. The next prime is 43242131267. The reversal of 43242131204 is 40213124234.

It can be written as a sum of positive squares in 4 ways, for example, as 20177634304 + 23064496900 = 142048^2 + 151870^2 .

It is a super-2 number, since 2×43242131204² (a number of 22 digits) contains 22 as substring.

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, 116564 + ... + 316340.

It is an arithmetic number, because the mean of its divisors is an integer number (3215726577).

Almost surely, 2^43242131204 is an apocalyptic number.

It is an amenable number.

43242131204 is a deficient number, since it is larger than the sum of its proper divisors (33935306644).

43242131204 is a wasteful number, since it uses less digits than its factorization.

43242131204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200855 (or 200853 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 43242131204 its reverse (40213124234), we get a palindrome (83455255438).

The spelling of 43242131204 in words is "forty-three billion, two hundred forty-two million, one hundred thirty-one thousand, two hundred four".