1131103330113 has 4 divisors (see below), whose sum is σ = 1508137773488. Its totient is φ = 754068886740.

The previous prime is 1131103330067. The next prime is 1131103330117. The reversal of 1131103330113 is 3110333011311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1131103330113 - 2¹⁰ = 1131103329089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131103330113.

It is not an unprimeable number, because it can be changed into a prime (1131103330117) 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, 188517221683 + ... + 188517221688.

It is an arithmetic number, because the mean of its divisors is an integer number (377034443372).

Almost surely, 2^{1131103330113} is an apocalyptic number.

It is an amenable number.

1131103330113 is a deficient number, since it is larger than the sum of its proper divisors (377034443375).

1131103330113 is an equidigital number, since it uses as much as digits as its factorization.

1131103330113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377034443374.

The product of its (nonzero) digits is 243, while the sum is 21.

Adding to 1131103330113 its reverse (3110333011311), we get a palindrome (4241436341424).

It can be divided in two parts, 11 and 31103330113, that multiplied together give a palindrome (342136631243).

The spelling of 1131103330113 in words is "one trillion, one hundred thirty-one billion, one hundred three million, three hundred thirty thousand, one hundred thirteen".