10013231321 has 4 divisors (see below), whose sum is σ = 10074662352. Its totient is φ = 9951800292.

The previous prime is 10013231299. The next prime is 10013231339. The reversal of 10013231321 is 12313231001.

10013231321 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10013231321 - 2⁶ = 10013231257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10013231321.

It is not an unprimeable number, because it can be changed into a prime (10013231341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30715271 + ... + 30715596.

It is an arithmetic number, because the mean of its divisors is an integer number (2518665588).

Almost surely, 2^10013231321 is an apocalyptic number.

It is an amenable number.

10013231321 is a deficient number, since it is larger than the sum of its proper divisors (61431031).

10013231321 is an equidigital number, since it uses as much as digits as its factorization.

10013231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61431030.

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

Adding to 10013231321 its reverse (12313231001), we get a palindrome (22326462322).

The spelling of 10013231321 in words is "ten billion, thirteen million, two hundred thirty-one thousand, three hundred twenty-one".