4324221232131 has 4 divisors (see below), whose sum is σ = 5765628309512. Its totient is φ = 2882814154752.

The previous prime is 4324221232109. The next prime is 4324221232151. The reversal of 4324221232131 is 1312321224234.

It is a happy number.

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

It is not a de Polignac number, because 4324221232131 - 2³⁷ = 4186782278659 is a prime.

It is a super-2 number, since 2×4324221232131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4324221232151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720703538686 + ... + 720703538691.

It is an arithmetic number, because the mean of its divisors is an integer number (1441407077378).

Almost surely, 2^{4324221232131} is an apocalyptic number.

4324221232131 is a deficient number, since it is larger than the sum of its proper divisors (1441407077381).

4324221232131 is a wasteful number, since it uses less digits than its factorization.

4324221232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441407077380.

The product of its digits is 13824, while the sum is 30.

Adding to 4324221232131 its reverse (1312321224234), we get a palindrome (5636542456365).

The spelling of 4324221232131 in words is "four trillion, three hundred twenty-four billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred thirty-one".