212331002003 has 4 divisors (see below), whose sum is σ = 215321579568. Its totient is φ = 209340424440.

The previous prime is 212331001951. The next prime is 212331002021. The reversal of 212331002003 is 300200133212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212331002003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212331002033) 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, 1495288676 + ... + 1495288817.

It is an arithmetic number, because the mean of its divisors is an integer number (53830394892).

Almost surely, 2^212331002003 is an apocalyptic number.

212331002003 is a deficient number, since it is larger than the sum of its proper divisors (2990577565).

212331002003 is an equidigital number, since it uses as much as digits as its factorization.

212331002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990577564.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 212331002003 its reverse (300200133212), we get a palindrome (512531135215).

The spelling of 212331002003 in words is "two hundred twelve billion, three hundred thirty-one million, two thousand, three".