2143230331 has 8 divisors (see below), whose sum is σ = 2346764400. Its totient is φ = 1941145440.

The previous prime is 2143230317. The next prime is 2143230361. The reversal of 2143230331 is 1330323412.

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 2143230331 - 2²¹ = 2141133179 is a prime.

It is a super-2 number, since 2×2143230331² = 9186872503436739122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143230301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359196 + ... + 365113.

It is an arithmetic number, because the mean of its divisors is an integer number (293345550).

Almost surely, 2^2143230331 is an apocalyptic number.

2143230331 is a deficient number, since it is larger than the sum of its proper divisors (203534069).

2143230331 is a wasteful number, since it uses less digits than its factorization.

2143230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724589.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 2143230331 is about 46295.0357057860. The cubic root of 2143230331 is about 1289.3068268815.

Adding to 2143230331 its reverse (1330323412), we get a palindrome (3473553743).

The spelling of 2143230331 in words is "two billion, one hundred forty-three million, two hundred thirty thousand, three hundred thirty-one".