2331224321 has 8 divisors (see below), whose sum is σ = 2341508904. Its totient is φ = 2320956160.

The previous prime is 2331224293. The next prime is 2331224339. The reversal of 2331224321 is 1234221332.

It can be written as a sum of positive squares in 4 ways, for example, as 1476480625 + 854743696 = 38425^2 + 29236^2 .

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 2331224321 - 2¹⁸ = 2330962177 is a prime.

It is a super-2 number, since 2×2331224321² = 10869213669643822082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331224381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342665 + ... + 349401.

It is an arithmetic number, because the mean of its divisors is an integer number (292688613).

Almost surely, 2^2331224321 is an apocalyptic number.

It is an amenable number.

2331224321 is a deficient number, since it is larger than the sum of its proper divisors (10284583).

2331224321 is a wasteful number, since it uses less digits than its factorization.

2331224321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8211.

The product of its digits is 1728, while the sum is 23.

The square root of 2331224321 is about 48282.7538671936. The cubic root of 2331224321 is about 1325.9526688052.

Adding to 2331224321 its reverse (1234221332), we get a palindrome (3565445653).

The spelling of 2331224321 in words is "two billion, three hundred thirty-one million, two hundred twenty-four thousand, three hundred twenty-one".