10323220331 has 4 divisors (see below), whose sum is σ = 10323577992. Its totient is φ = 10322862672.

The previous prime is 10323220319. The next prime is 10323220337. The reversal of 10323220331 is 13302232301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13302232301 = 17 ⋅782484253.

It is a cyclic number.

It is not a de Polignac number, because 10323220331 - 2¹⁰ = 10323219307 is a prime.

It is a super-2 number, since 2×10323220331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10323220337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131330 + ... + 194663.

It is an arithmetic number, because the mean of its divisors is an integer number (2580894498).

Almost surely, 2^10323220331 is an apocalyptic number.

10323220331 is a deficient number, since it is larger than the sum of its proper divisors (357661).

10323220331 is an equidigital number, since it uses as much as digits as its factorization.

10323220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357660.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 10323220331 its reverse (13302232301), we get a palindrome (23625452632).

The spelling of 10323220331 in words is "ten billion, three hundred twenty-three million, two hundred twenty thousand, three hundred thirty-one".