2321403311 has 4 divisors (see below), whose sum is σ = 2322724800. Its totient is φ = 2320081824.

The previous prime is 2321403307. The next prime is 2321403323. The reversal of 2321403311 is 1133041232.

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

It is a cyclic number.

It is not a de Polignac number, because 2321403311 - 2² = 2321403307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321408311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658106 + ... + 661623.

It is an arithmetic number, because the mean of its divisors is an integer number (580681200).

Almost surely, 2^2321403311 is an apocalyptic number.

2321403311 is a deficient number, since it is larger than the sum of its proper divisors (1321489).

2321403311 is a wasteful number, since it uses less digits than its factorization.

2321403311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321488.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2321403311 is about 48180.9434424026. The cubic root of 2321403311 is about 1324.0880514440.

Adding to 2321403311 its reverse (1133041232), we get a palindrome (3454444543).

The spelling of 2321403311 in words is "two billion, three hundred twenty-one million, four hundred three thousand, three hundred eleven".