212331131203 has 2 divisors, whose sum is σ = 212331131204. Its totient is φ = 212331131202.

The previous prime is 212331131189. The next prime is 212331131219. The reversal of 212331131203 is 302131133212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212331131203 - 2³³ = 203741196611 is a prime.

It is not a weakly prime, because it can be changed into another prime (212331131003) 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 as a sum of consecutive naturals, namely, 106165565601 + 106165565602.

It is an arithmetic number, because the mean of its divisors is an integer number (106165565602).

Almost surely, 2^212331131203 is an apocalyptic number.

212331131203 is a deficient number, since it is larger than the sum of its proper divisors (1).

212331131203 is an equidigital number, since it uses as much as digits as its factorization.

212331131203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212331131203 its reverse (302131133212), we get a palindrome (514462264415).

The spelling of 212331131203 in words is "two hundred twelve billion, three hundred thirty-one million, one hundred thirty-one thousand, two hundred three".