2321000231 has 4 divisors (see below), whose sum is σ = 2532000264. Its totient is φ = 2110000200.

The previous prime is 2321000203. The next prime is 2321000261. The reversal of 2321000231 is 1320001232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2321000231 is a prime.

It is a super-2 number, since 2×2321000231² = 10774084144604106722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321000261) 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 3 ways as a sum of consecutive naturals, for example, 105500000 + ... + 105500021.

It is an arithmetic number, because the mean of its divisors is an integer number (633000066).

Almost surely, 2^2321000231 is an apocalyptic number.

2321000231 is a deficient number, since it is larger than the sum of its proper divisors (211000033).

2321000231 is a wasteful number, since it uses less digits than its factorization.

2321000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211000032.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2321000231 is about 48176.7602792052. The cubic root of 2321000231 is about 1324.0114104021.

Adding to 2321000231 its reverse (1320001232), we get a palindrome (3641001463).

The spelling of 2321000231 in words is "two billion, three hundred twenty-one million, two hundred thirty-one", and thus it is an aban number.