10321123231 has 4 divisors (see below), whose sum is σ = 10350697000. Its totient is φ = 10291549464.

The previous prime is 10321123223. The next prime is 10321123277. The reversal of 10321123231 is 13232112301.

10321123231 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: 13232112301 = 307 ⋅43101343.

It is a cyclic number.

It is not a de Polignac number, because 10321123231 - 2³ = 10321123223 is a prime.

It is a super-2 number, since 2×10321123231² (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 = 10321123199 and 10321123208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321120231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14786361 + ... + 14787058.

It is an arithmetic number, because the mean of its divisors is an integer number (2587674250).

Almost surely, 2^10321123231 is an apocalyptic number.

10321123231 is a deficient number, since it is larger than the sum of its proper divisors (29573769).

10321123231 is an equidigital number, since it uses as much as digits as its factorization.

10321123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29573768.

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

Adding to 10321123231 its reverse (13232112301), we get a palindrome (23553235532).

The spelling of 10321123231 in words is "ten billion, three hundred twenty-one million, one hundred twenty-three thousand, two hundred thirty-one".