2231300321 has 4 divisors (see below), whose sum is σ = 2348737200. Its totient is φ = 2113863444.

The previous prime is 2231300297. The next prime is 2231300333. The reversal of 2231300321 is 1230031322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2231300321 - 2¹⁸ = 2231038177 is a prime.

It is a super-3 number, since 3×2231300321³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231300321.

It is not an unprimeable number, because it can be changed into a prime (2231300381) 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, 58718411 + ... + 58718448.

It is an arithmetic number, because the mean of its divisors is an integer number (587184300).

Almost surely, 2^2231300321 is an apocalyptic number.

It is an amenable number.

2231300321 is a deficient number, since it is larger than the sum of its proper divisors (117436879).

2231300321 is a wasteful number, since it uses less digits than its factorization.

2231300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117436878.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2231300321 is about 47236.6417201731. The cubic root of 2231300321 is about 1306.7304438868.

Adding to 2231300321 its reverse (1230031322), we get a palindrome (3461331643).

The spelling of 2231300321 in words is "two billion, two hundred thirty-one million, three hundred thousand, three hundred twenty-one".