231011323101003 has 4 divisors (see below), whose sum is σ = 308015097468008. Its totient is φ = 154007548734000.

The previous prime is 231011323100981. The next prime is 231011323101061. The reversal of 231011323101003 is 300101323110132.

It is a happy number.

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

It is not a de Polignac number, because 231011323101003 - 2¹⁰ = 231011323099979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231011323111003) 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, 38501887183498 + ... + 38501887183503.

It is an arithmetic number, because the mean of its divisors is an integer number (77003774367002).

Almost surely, 2^{231011323101003} is an apocalyptic number.

231011323101003 is a deficient number, since it is larger than the sum of its proper divisors (77003774367005).

231011323101003 is an equidigital number, since it uses as much as digits as its factorization.

231011323101003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77003774367004.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 231011323101003 its reverse (300101323110132), we get a palindrome (531112646211135).

The spelling of 231011323101003 in words is "two hundred thirty-one trillion, eleven billion, three hundred twenty-three million, one hundred one thousand, three".