1231231033303 has 2 divisors, whose sum is σ = 1231231033304. Its totient is φ = 1231231033302.

The previous prime is 1231231033273. The next prime is 1231231033321. The reversal of 1231231033303 is 3033301321321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1231231033303 - 2⁵ = 1231231033271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231231033343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615615516651 + 615615516652.

It is an arithmetic number, because the mean of its divisors is an integer number (615615516652).

Almost surely, 2^{1231231033303} is an apocalyptic number.

1231231033303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231231033303 is an equidigital number, since it uses as much as digits as its factorization.

1231231033303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1231231033303 its reverse (3033301321321), we get a palindrome (4264532354624).

The spelling of 1231231033303 in words is "one trillion, two hundred thirty-one billion, two hundred thirty-one million, thirty-three thousand, three hundred three".