2321201387 has 2 divisors, whose sum is σ = 2321201388. Its totient is φ = 2321201386.

The previous prime is 2321201371. The next prime is 2321201419. The reversal of 2321201387 is 7831021232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2321201387 - 2⁴ = 2321201371 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321201357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160600693 + 1160600694.

It is an arithmetic number, because the mean of its divisors is an integer number (1160600694).

Almost surely, 2^2321201387 is an apocalyptic number.

2321201387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321201387 is an equidigital number, since it uses as much as digits as its factorization.

2321201387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2321201387 is about 48178.8479210535. The cubic root of 2321201387 is about 1324.0496590189.

The spelling of 2321201387 in words is "two billion, three hundred twenty-one million, two hundred one thousand, three hundred eighty-seven".