10311023201321 has 2 divisors, whose sum is σ = 10311023201322. Its totient is φ = 10311023201320.

The previous prime is 10311023201287. The next prime is 10311023201371. The reversal of 10311023201321 is 12310232011301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10310906323600 + 116877721 = 3211060^2 + 10811^2 .

It is a cyclic number.

It is not a de Polignac number, because 10311023201321 - 2¹⁰ = 10311023200297 is a prime.

It is a super-2 number, since 2×10311023201321² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10311023201293 and 10311023201302.

It is not a weakly prime, because it can be changed into another prime (10311023201371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155511600660 + 5155511600661.

It is an arithmetic number, because the mean of its divisors is an integer number (5155511600661).

Almost surely, 2^{10311023201321} is an apocalyptic number.

It is an amenable number.

10311023201321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10311023201321 is an equidigital number, since it uses as much as digits as its factorization.

10311023201321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10311023201321 its reverse (12310232011301), we get a palindrome (22621255212622).

The spelling of 10311023201321 in words is "ten trillion, three hundred eleven billion, twenty-three million, two hundred one thousand, three hundred twenty-one".