10221343231 has 12 divisors (see below), whose sum is σ = 11310453000. Its totient is φ = 9229750640.

The previous prime is 10221343163. The next prime is 10221343243. The reversal of 10221343231 is 13234312201.

10221343231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10221343231 - 2¹⁹ = 10220818943 is a prime.

It is a super-2 number, since 2×10221343231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221343291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265441 + ... + 301498.

It is an arithmetic number, because the mean of its divisors is an integer number (942537750).

Almost surely, 2^10221343231 is an apocalyptic number.

10221343231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10221343231 is a deficient number, since it is larger than the sum of its proper divisors (1089109769).

10221343231 is a wasteful number, since it uses less digits than its factorization.

10221343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567110 (or 567099 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 10221343231 its reverse (13234312201), we get a palindrome (23455655432).

The spelling of 10221343231 in words is "ten billion, two hundred twenty-one million, three hundred forty-three thousand, two hundred thirty-one".