2304131321 has 4 divisors (see below), whose sum is σ = 2326501632. Its totient is φ = 2281761012.

The previous prime is 2304131299. The next prime is 2304131341. The reversal of 2304131321 is 1231314032.

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 2304131321 - 2¹⁴ = 2304114937 is a prime.

It is a super-2 number, since 2×2304131321² = 10618042288826410082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2304131293 and 2304131302.

It is not an unprimeable number, because it can be changed into a prime (2304131341) 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, 11185001 + ... + 11185206.

It is an arithmetic number, because the mean of its divisors is an integer number (581625408).

Almost surely, 2^2304131321 is an apocalyptic number.

It is an amenable number.

2304131321 is a deficient number, since it is larger than the sum of its proper divisors (22370311).

2304131321 is a wasteful number, since it uses less digits than its factorization.

2304131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22370310.

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

The square root of 2304131321 is about 48001.3679075920. The cubic root of 2304131321 is about 1320.7959923906.

Adding to 2304131321 its reverse (1231314032), we get a palindrome (3535445353).

The spelling of 2304131321 in words is "two billion, three hundred four million, one hundred thirty-one thousand, three hundred twenty-one".