611231403203 has 2 divisors, whose sum is σ = 611231403204. Its totient is φ = 611231403202.

The previous prime is 611231403187. The next prime is 611231403227. The reversal of 611231403203 is 302304132116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 611231403203 - 2⁴ = 611231403187 is a prime.

It is not a weakly prime, because it can be changed into another prime (611231403403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305615701601 + 305615701602.

It is an arithmetic number, because the mean of its divisors is an integer number (305615701602).

Almost surely, 2^611231403203 is an apocalyptic number.

611231403203 is a deficient number, since it is larger than the sum of its proper divisors (1).

611231403203 is an equidigital number, since it uses as much as digits as its factorization.

611231403203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 611231403203 its reverse (302304132116), we get a palindrome (913535535319).

The spelling of 611231403203 in words is "six hundred eleven billion, two hundred thirty-one million, four hundred three thousand, two hundred three".