43220232331 has 8 divisors (see below), whose sum is σ = 44905834800. Its totient is φ = 41547646560.

The previous prime is 43220232329. The next prime is 43220232373. The reversal of 43220232331 is 13323202234.

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

It is a cyclic number.

It is not a de Polignac number, because 43220232331 - 2¹ = 43220232329 is a prime.

It is a super-2 number, since 2×43220232331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43220232296 and 43220232305.

It is not an unprimeable number, because it can be changed into a prime (43220232131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3247405 + ... + 3260686.

It is an arithmetic number, because the mean of its divisors is an integer number (5613229350).

Almost surely, 2^43220232331 is an apocalyptic number.

43220232331 is a deficient number, since it is larger than the sum of its proper divisors (1685602469).

43220232331 is a wasteful number, since it uses less digits than its factorization.

43220232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6508349.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 43220232331 its reverse (13323202234), we get a palindrome (56543434565).

The spelling of 43220232331 in words is "forty-three billion, two hundred twenty million, two hundred thirty-two thousand, three hundred thirty-one".