2321031243 has 8 divisors (see below), whose sum is σ = 3094978768. Its totient is φ = 1547218944.

The previous prime is 2321031239. The next prime is 2321031283. The reversal of 2321031243 is 3421301232.

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

It is not a de Polignac number, because 2321031243 - 2² = 2321031239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321031283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17271 + ... + 70287.

It is an arithmetic number, because the mean of its divisors is an integer number (386872346).

Almost surely, 2^2321031243 is an apocalyptic number.

2321031243 is a deficient number, since it is larger than the sum of its proper divisors (773947525).

2321031243 is a wasteful number, since it uses less digits than its factorization.

2321031243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67613.

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

The square root of 2321031243 is about 48177.0821345585. The cubic root of 2321031243 is about 1324.0173072935.

Adding to 2321031243 its reverse (3421301232), we get a palindrome (5742332475).

The spelling of 2321031243 in words is "two billion, three hundred twenty-one million, thirty-one thousand, two hundred forty-three".