1103330131243 has 2 divisors, whose sum is σ = 1103330131244. Its totient is φ = 1103330131242.

The previous prime is 1103330131217. The next prime is 1103330131289. The reversal of 1103330131243 is 3421310333011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103330131243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103330161243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551665065621 + 551665065622.

It is an arithmetic number, because the mean of its divisors is an integer number (551665065622).

Almost surely, 2^{1103330131243} is an apocalyptic number.

1103330131243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103330131243 is an equidigital number, since it uses as much as digits as its factorization.

1103330131243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1103330131243 its reverse (3421310333011), we get a palindrome (4524640464254).

The spelling of 1103330131243 in words is "one trillion, one hundred three billion, three hundred thirty million, one hundred thirty-one thousand, two hundred forty-three".