43220242131 has 8 divisors (see below), whose sum is σ = 62865806784. Its totient is φ = 26194086120.

The previous prime is 43220242081. The next prime is 43220242139. The reversal of 43220242131 is 13124202234.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43220242131 - 2⁹ = 43220241619 is a prime.

It is a super-2 number, since 2×43220242131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43220242139) 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 7 ways as a sum of consecutive naturals, for example, 654852121 + ... + 654852186.

It is an arithmetic number, because the mean of its divisors is an integer number (7858225848).

Almost surely, 2^43220242131 is an apocalyptic number.

43220242131 is a deficient number, since it is larger than the sum of its proper divisors (19645564653).

43220242131 is a wasteful number, since it uses less digits than its factorization.

43220242131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309704321.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 43220242131 its reverse (13124202234), we get a palindrome (56344444365).

The spelling of 43220242131 in words is "forty-three billion, two hundred twenty million, two hundred forty-two thousand, one hundred thirty-one".