10321321231 has 32 divisors (see below), whose sum is σ = 12330154368. Its totient is φ = 8542617600.

The previous prime is 10321321229. The next prime is 10321321237. The reversal of 10321321231 is 13212312301.

It is a cyclic number.

It is not a de Polignac number, because 10321321231 - 2¹ = 10321321229 is a prime.

It is a super-2 number, since 2×10321321231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10321321199 and 10321321208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321321237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1302381 + ... + 1310281.

It is an arithmetic number, because the mean of its divisors is an integer number (385317324).

Almost surely, 2^10321321231 is an apocalyptic number.

10321321231 is a deficient number, since it is larger than the sum of its proper divisors (2008833137).

10321321231 is a wasteful number, since it uses less digits than its factorization.

10321321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10321321231 its reverse (13212312301), we get a palindrome (23533633532).

The spelling of 10321321231 in words is "ten billion, three hundred twenty-one million, three hundred twenty-one thousand, two hundred thirty-one".