1131033311103 has 8 divisors (see below), whose sum is σ = 1508073103408. Its totient is φ = 754007863104.

The previous prime is 1131033311101. The next prime is 1131033311117. The reversal of 1131033311103 is 3011133301311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1131033311103 - 2¹ = 1131033311101 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 1131033311103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131033311101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3400726 + ... + 3718467.

It is an arithmetic number, because the mean of its divisors is an integer number (188509137926).

Almost surely, 2^{1131033311103} is an apocalyptic number.

1131033311103 is a deficient number, since it is larger than the sum of its proper divisors (377039792305).

1131033311103 is an equidigital number, since it uses as much as digits as its factorization.

1131033311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172153.

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

Adding to 1131033311103 its reverse (3011133301311), we get a palindrome (4142166612414).

The spelling of 1131033311103 in words is "one trillion, one hundred thirty-one billion, thirty-three million, three hundred eleven thousand, one hundred three".