1131212102303 has 2 divisors, whose sum is σ = 1131212102304. Its totient is φ = 1131212102302.

The previous prime is 1131212102233. The next prime is 1131212102347. The reversal of 1131212102303 is 3032012121311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131212102303 - 2³² = 1126917135007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131212102003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565606051151 + 565606051152.

It is an arithmetic number, because the mean of its divisors is an integer number (565606051152).

Almost surely, 2^{1131212102303} is an apocalyptic number.

1131212102303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131212102303 is an equidigital number, since it uses as much as digits as its factorization.

1131212102303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1131212102303 its reverse (3032012121311), we get a palindrome (4163224223614).

The spelling of 1131212102303 in words is "one trillion, one hundred thirty-one billion, two hundred twelve million, one hundred two thousand, three hundred three".