1103103231187 has 2 divisors, whose sum is σ = 1103103231188. Its totient is φ = 1103103231186.

The previous prime is 1103103231179. The next prime is 1103103231247. The reversal of 1103103231187 is 7811323013011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103103231187 - 2³ = 1103103231179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103103231287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551551615593 + 551551615594.

It is an arithmetic number, because the mean of its divisors is an integer number (551551615594).

Almost surely, 2^{1103103231187} is an apocalyptic number.

1103103231187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103103231187 is an equidigital number, since it uses as much as digits as its factorization.

1103103231187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

Adding to 1103103231187 its reverse (7811323013011), we get a palindrome (8914426244198).

The spelling of 1103103231187 in words is "one trillion, one hundred three billion, one hundred three million, two hundred thirty-one thousand, one hundred eighty-seven".