1103331130403 has 4 divisors (see below), whose sum is σ = 1106082580008. Its totient is φ = 1100579680800.

The previous prime is 1103331130387. The next prime is 1103331130427. The reversal of 1103331130403 is 3040311333011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1103331130403 - 2⁴ = 1103331130387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103331130453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375724201 + ... + 1375725002.

It is an arithmetic number, because the mean of its divisors is an integer number (276520645002).

Almost surely, 2^{1103331130403} is an apocalyptic number.

1103331130403 is a deficient number, since it is larger than the sum of its proper divisors (2751449605).

1103331130403 is an equidigital number, since it uses as much as digits as its factorization.

1103331130403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751449604.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1103331130403 its reverse (3040311333011), we get a palindrome (4143642463414).

The spelling of 1103331130403 in words is "one trillion, one hundred three billion, three hundred thirty-one million, one hundred thirty thousand, four hundred three".