1103330011031 has 4 divisors (see below), whose sum is σ = 1103348429064. Its totient is φ = 1103311593000.

The previous prime is 1103330011027. The next prime is 1103330011033. The reversal of 1103330011031 is 1301100333011.

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 1103330011031 - 2² = 1103330011027 is a prime.

It is a super-2 number, since 2×1103330011031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103330011033) 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, 9118865 + ... + 9239066.

It is an arithmetic number, because the mean of its divisors is an integer number (275837107266).

Almost surely, 2^{1103330011031} is an apocalyptic number.

1103330011031 is a deficient number, since it is larger than the sum of its proper divisors (18418033).

1103330011031 is an equidigital number, since it uses as much as digits as its factorization.

1103330011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18418032.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 1103330011031 its reverse (1301100333011), we get a palindrome (2404430344042).

The spelling of 1103330011031 in words is "one trillion, one hundred three billion, three hundred thirty million, eleven thousand, thirty-one".