10321231231 has 4 divisors (see below), whose sum is σ = 10384551832. Its totient is φ = 10257910632.

The previous prime is 10321231229. The next prime is 10321231259. The reversal of 10321231231 is 13213212301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10321231231 - 2¹ = 10321231229 is a prime.

It is a super-2 number, since 2×10321231231² (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 = 10321231199 and 10321231208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321231211) 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, 31660056 + ... + 31660381.

It is an arithmetic number, because the mean of its divisors is an integer number (2596137958).

Almost surely, 2^10321231231 is an apocalyptic number.

10321231231 is a deficient number, since it is larger than the sum of its proper divisors (63320601).

10321231231 is an equidigital number, since it uses as much as digits as its factorization.

10321231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63320600.

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

Adding to 10321231231 its reverse (13213212301), we get a palindrome (23534443532).

The spelling of 10321231231 in words is "ten billion, three hundred twenty-one million, two hundred thirty-one thousand, two hundred thirty-one".