2231322303 has 8 divisors (see below), whose sum is σ = 3400110208. Its totient is φ = 1275041304.

The previous prime is 2231322221. The next prime is 2231322337. The reversal of 2231322303 is 3032231322.

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

It is not a de Polignac number, because 2231322303 - 2¹⁸ = 2231060159 is a prime.

It is a super-3 number, since 3×2231322303³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 106253443 = 2231322303 / (2 + 2 + 3 + 1 + 3 + 2 + 2 + 3 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231322303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231322383) 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, 53126701 + ... + 53126742.

It is an arithmetic number, because the mean of its divisors is an integer number (425013776).

Almost surely, 2^2231322303 is an apocalyptic number.

2231322303 is a deficient number, since it is larger than the sum of its proper divisors (1168787905).

2231322303 is a wasteful number, since it uses less digits than its factorization.

2231322303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106253453.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2231322303 is about 47236.8743991386. The cubic root of 2231322303 is about 1306.7347350251.

Adding to 2231322303 its reverse (3032231322), we get a palindrome (5263553625).

The spelling of 2231322303 in words is "two billion, two hundred thirty-one million, three hundred twenty-two thousand, three hundred three".