2321310133 has 4 divisors (see below), whose sum is σ = 2401355340. Its totient is φ = 2241264928.

The previous prime is 2321310097. The next prime is 2321310149. The reversal of 2321310133 is 3310131232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1427479524 + 893830609 = 37782^2 + 29897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321310133 is a prime.

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 2321310133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321310833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40022560 + ... + 40022617.

It is an arithmetic number, because the mean of its divisors is an integer number (600338835).

Almost surely, 2^2321310133 is an apocalyptic number.

It is an amenable number.

2321310133 is a deficient number, since it is larger than the sum of its proper divisors (80045207).

2321310133 is an equidigital number, since it uses as much as digits as its factorization.

2321310133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80045206.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2321310133 is about 48179.9764736348. The cubic root of 2321310133 is about 1324.0703355037.

Adding to 2321310133 its reverse (3310131232), we get a palindrome (5631441365).

The spelling of 2321310133 in words is "two billion, three hundred twenty-one million, three hundred ten thousand, one hundred thirty-three".