1131201303143 has 2 divisors, whose sum is σ = 1131201303144. Its totient is φ = 1131201303142.

The previous prime is 1131201303103. The next prime is 1131201303157. The reversal of 1131201303143 is 3413031021311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131201303143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131201303103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565600651571 + 565600651572.

It is an arithmetic number, because the mean of its divisors is an integer number (565600651572).

Almost surely, 2^{1131201303143} is an apocalyptic number.

1131201303143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131201303143 is an equidigital number, since it uses as much as digits as its factorization.

1131201303143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1131201303143 its reverse (3413031021311), we get a palindrome (4544232324454).

The spelling of 1131201303143 in words is "one trillion, one hundred thirty-one billion, two hundred one million, three hundred three thousand, one hundred forty-three".