10030001321 has 2 divisors, whose sum is σ = 10030001322. Its totient is φ = 10030001320.

The previous prime is 10030001279. The next prime is 10030001327. The reversal of 10030001321 is 12310003001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8321088400 + 1708912921 = 91220^2 + 41339^2 .

It is a cyclic number.

It is not a de Polignac number, because 10030001321 - 2¹⁸ = 10029739177 is a prime.

It is not a weakly prime, because it can be changed into another prime (10030001327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015000660 + 5015000661.

It is an arithmetic number, because the mean of its divisors is an integer number (5015000661).

Almost surely, 2^10030001321 is an apocalyptic number.

It is an amenable number.

10030001321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10030001321 is an equidigital number, since it uses as much as digits as its factorization.

10030001321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 10030001321 its reverse (12310003001), we get a palindrome (22340004322).

The spelling of 10030001321 in words is "ten billion, thirty million, one thousand, three hundred twenty-one".