2321030661 has 4 divisors (see below), whose sum is σ = 3094707552. Its totient is φ = 1547353772.

The previous prime is 2321030653. The next prime is 2321030681. The reversal of 2321030661 is 1660301232.

It is a happy number.

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 2321030661 - 2³ = 2321030653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321030611) 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, 386838441 + ... + 386838446.

It is an arithmetic number, because the mean of its divisors is an integer number (773676888).

Almost surely, 2^2321030661 is an apocalyptic number.

It is an amenable number.

2321030661 is a deficient number, since it is larger than the sum of its proper divisors (773676891).

2321030661 is an equidigital number, since it uses as much as digits as its factorization.

2321030661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773676890.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2321030661 is about 48177.0760943418. The cubic root of 2321030661 is about 1324.0171966274.

Adding to 2321030661 its reverse (1660301232), we get a palindrome (3981331893).

The spelling of 2321030661 in words is "two billion, three hundred twenty-one million, thirty thousand, six hundred sixty-one".