2331024021 has 8 divisors (see below), whose sum is σ = 3453368960. Its totient is φ = 1554015996.

The previous prime is 2331024011. The next prime is 2331024067. The reversal of 2331024021 is 1204201332.

It is not a de Polignac number, because 2331024021 - 2¹⁵ = 2330991253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2331023985 and 2331024003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331024011) 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, 43167085 + ... + 43167138.

It is an arithmetic number, because the mean of its divisors is an integer number (431671120).

Almost surely, 2^2331024021 is an apocalyptic number.

It is an amenable number.

2331024021 is a deficient number, since it is larger than the sum of its proper divisors (1122344939).

2331024021 is an equidigital number, since it uses as much as digits as its factorization.

2331024021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86334232 (or 86334226 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2331024021 is about 48280.6795830382. The cubic root of 2331024021 is about 1325.9146922044.

Adding to 2331024021 its reverse (1204201332), we get a palindrome (3535225353).

The spelling of 2331024021 in words is "two billion, three hundred thirty-one million, twenty-four thousand, twenty-one".