1131241142203 has 2 divisors, whose sum is σ = 1131241142204. Its totient is φ = 1131241142202.

The previous prime is 1131241142197. The next prime is 1131241142237. The reversal of 1131241142203 is 3022411421311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131241142203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131241142503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565620571101 + 565620571102.

It is an arithmetic number, because the mean of its divisors is an integer number (565620571102).

Almost surely, 2^{1131241142203} is an apocalyptic number.

1131241142203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131241142203 is an equidigital number, since it uses as much as digits as its factorization.

1131241142203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1131241142203 its reverse (3022411421311), we get a palindrome (4153652563514).

The spelling of 1131241142203 in words is "one trillion, one hundred thirty-one billion, two hundred forty-one million, one hundred forty-two thousand, two hundred three".