212331323003 has 4 divisors (see below), whose sum is σ = 213014060688. Its totient is φ = 211648585320.

The previous prime is 212331322979. The next prime is 212331323023. The reversal of 212331323003 is 300323133212.

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 212331323003 - 2¹⁴ = 212331306619 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 212331323003.

It is not an unprimeable number, because it can be changed into a prime (212331323023) 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, 341368376 + ... + 341368997.

It is an arithmetic number, because the mean of its divisors is an integer number (53253515172).

Almost surely, 2^212331323003 is an apocalyptic number.

212331323003 is a deficient number, since it is larger than the sum of its proper divisors (682737685).

212331323003 is an equidigital number, since it uses as much as digits as its factorization.

212331323003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682737684.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 212331323003 its reverse (300323133212), we get a palindrome (512654456215).

The spelling of 212331323003 in words is "two hundred twelve billion, three hundred thirty-one million, three hundred twenty-three thousand, three".