2331281 has 8 divisors (see below), whose sum is σ = 2539200. Its totient is φ = 2131920.

The previous prime is 2331271. The next prime is 2331283. The reversal of 2331281 is 1821332.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2331281 is a prime.

It is a super-2 number, since 2×2331281² = 10869742201922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331283) 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, 1565 + ... + 2666.

It is an arithmetic number, because the mean of its divisors is an integer number (317400).

2^2331281 is an apocalyptic number.

It is an amenable number.

2331281 is a deficient number, since it is larger than the sum of its proper divisors (207919).

2331281 is a wasteful number, since it uses less digits than its factorization.

2331281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279.

The product of its digits is 288, while the sum is 20.

The square root of 2331281 is about 1526.8533000914. The cubic root of 2331281 is about 132.5963414670.

The spelling of 2331281 in words is "two million, three hundred thirty-one thousand, two hundred eighty-one".