10001323331 has 2 divisors, whose sum is σ = 10001323332. Its totient is φ = 10001323330.

The previous prime is 10001323327. The next prime is 10001323349. The reversal of 10001323331 is 13332310001.

It is a weak prime.

It is an emirp because it is prime and its reverse (13332310001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10001323331 - 2² = 10001323327 is a prime.

It is a super-2 number, since 2×10001323331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10001523331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000661665 + 5000661666.

It is an arithmetic number, because the mean of its divisors is an integer number (5000661666).

Almost surely, 2^10001323331 is an apocalyptic number.

10001323331 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001323331 is an equidigital number, since it uses as much as digits as its factorization.

10001323331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 10001323331 its reverse (13332310001), we get a palindrome (23333633332).

The spelling of 10001323331 in words is "ten billion, one million, three hundred twenty-three thousand, three hundred thirty-one".