2312002321 has 2 divisors, whose sum is σ = 2312002322. Its totient is φ = 2312002320.

The previous prime is 2312002291. The next prime is 2312002367. The reversal of 2312002321 is 1232002132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1686252096 + 625750225 = 41064^2 + 25015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312002321 - 2¹⁷ = 2311871249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2312002295 and 2312002304.

It is not a weakly prime, because it can be changed into another prime (2312002421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156001160 + 1156001161.

It is an arithmetic number, because the mean of its divisors is an integer number (1156001161).

Almost surely, 2^2312002321 is an apocalyptic number.

It is an amenable number.

2312002321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312002321 is an equidigital number, since it uses as much as digits as its factorization.

2312002321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2312002321 is about 48083.2852558974. The cubic root of 2312002321 is about 1322.2982461732.

Adding to 2312002321 its reverse (1232002132), we get a palindrome (3544004453).

The spelling of 2312002321 in words is "two billion, three hundred twelve million, two thousand, three hundred twenty-one".