2321130421 has 8 divisors (see below), whose sum is σ = 2445171200. Its totient is φ = 2197277280.

The previous prime is 2321130403. The next prime is 2321130431. The reversal of 2321130421 is 1240311232.

It is a happy number.

2321130421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2321130421 - 2¹³ = 2321122229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321130431) 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, 21141 + ... + 71338.

It is an arithmetic number, because the mean of its divisors is an integer number (305646400).

Almost surely, 2^2321130421 is an apocalyptic number.

It is an amenable number.

2321130421 is a deficient number, since it is larger than the sum of its proper divisors (124040779).

2321130421 is a wasteful number, since it uses less digits than its factorization.

2321130421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93819.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2321130421 is about 48178.1114303996. Note that the first 3 decimals coincide. The cubic root of 2321130421 is about 1324.0361655084.

Adding to 2321130421 its reverse (1240311232), we get a palindrome (3561441653).

The spelling of 2321130421 in words is "two billion, three hundred twenty-one million, one hundred thirty thousand, four hundred twenty-one".