10221310331 has 4 divisors (see below), whose sum is σ = 10665715152. Its totient is φ = 9776905512.

The previous prime is 10221310303. The next prime is 10221310349. The reversal of 10221310331 is 13301312201.

10221310331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13301312201 = 479 ⋅27768919.

It is a cyclic number.

It is not a de Polignac number, because 10221310331 - 2¹⁴ = 10221293947 is a prime.

It is a super-2 number, since 2×10221310331² (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 (10221310031) 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, 222202376 + ... + 222202421.

It is an arithmetic number, because the mean of its divisors is an integer number (2666428788).

Almost surely, 2^10221310331 is an apocalyptic number.

10221310331 is a deficient number, since it is larger than the sum of its proper divisors (444404821).

10221310331 is an equidigital number, since it uses as much as digits as its factorization.

10221310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444404820.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10221310331 its reverse (13301312201), we get a palindrome (23522622532).

The spelling of 10221310331 in words is "ten billion, two hundred twenty-one million, three hundred ten thousand, three hundred thirty-one".