1131223003103 has 2 divisors, whose sum is σ = 1131223003104. Its totient is φ = 1131223003102.

The previous prime is 1131223003087. The next prime is 1131223003283. The reversal of 1131223003103 is 3013003221311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131223003103 - 2⁴ = 1131223003087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131223005103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565611501551 + 565611501552.

It is an arithmetic number, because the mean of its divisors is an integer number (565611501552).

Almost surely, 2^{1131223003103} is an apocalyptic number.

1131223003103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131223003103 is an equidigital number, since it uses as much as digits as its factorization.

1131223003103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1131223003103 its reverse (3013003221311), we get a palindrome (4144226224414).

The spelling of 1131223003103 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-three million, three thousand, one hundred three".