2331342021 has 8 divisors (see below), whose sum is σ = 3108833920. Its totient is φ = 1554039072.

The previous prime is 2331342019. The next prime is 2331342023. The reversal of 2331342021 is 1202431332.

It is an interprime number because it is at equal distance from previous prime (2331342019) and next prime (2331342023).

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

It is not a de Polignac number, because 2331342021 - 2¹ = 2331342019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331342023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15376 + ... + 69993.

It is an arithmetic number, because the mean of its divisors is an integer number (388604240).

Almost surely, 2^2331342021 is an apocalyptic number.

It is an amenable number.

2331342021 is a deficient number, since it is larger than the sum of its proper divisors (777491899).

2331342021 is an equidigital number, since it uses as much as digits as its factorization.

2331342021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94475.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2331342021 is about 48283.9727135206. The cubic root of 2331342021 is about 1325.9749835465.

Adding to 2331342021 its reverse (1202431332), we get a palindrome (3533773353).

The spelling of 2331342021 in words is "two billion, three hundred thirty-one million, three hundred forty-two thousand, twenty-one".