2012431503 has 4 divisors (see below), whose sum is σ = 2683242008. Its totient is φ = 1341621000.

The previous prime is 2012431453. The next prime is 2012431507. The reversal of 2012431503 is 3051342102.

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

It is not a de Polignac number, because 2012431503 - 2⁹ = 2012430991 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 2012431503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012431507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335405248 + ... + 335405253.

It is an arithmetic number, because the mean of its divisors is an integer number (670810502).

Almost surely, 2^2012431503 is an apocalyptic number.

2012431503 is a deficient number, since it is larger than the sum of its proper divisors (670810505).

2012431503 is an equidigital number, since it uses as much as digits as its factorization.

2012431503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670810504.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2012431503 is about 44860.1326681052. The cubic root of 2012431503 is about 1262.5261119064.

Adding to 2012431503 its reverse (3051342102), we get a palindrome (5063773605).

The spelling of 2012431503 in words is "two billion, twelve million, four hundred thirty-one thousand, five hundred three".