2131231003 has 4 divisors (see below), whose sum is σ = 2324979288. Its totient is φ = 1937482720.

The previous prime is 2131231001. The next prime is 2131231093. The reversal of 2131231003 is 3001321312.

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 2131231003 - 2¹ = 2131231001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131231001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96874126 + ... + 96874147.

It is an arithmetic number, because the mean of its divisors is an integer number (581244822).

Almost surely, 2^2131231003 is an apocalyptic number.

2131231003 is a deficient number, since it is larger than the sum of its proper divisors (193748285).

2131231003 is a wasteful number, since it uses less digits than its factorization.

2131231003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193748284.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2131231003 is about 46165.2575320446. The cubic root of 2131231003 is about 1286.8961701523.

Adding to 2131231003 its reverse (3001321312), we get a palindrome (5132552315).

The spelling of 2131231003 in words is "two billion, one hundred thirty-one million, two hundred thirty-one thousand, three".