3111020031103 has 4 divisors (see below), whose sum is σ = 3114237219280. Its totient is φ = 3107802842928.

The previous prime is 3111020031101. The next prime is 3111020031181. The reversal of 3111020031103 is 3011300201113.

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 3111020031103 - 2¹ = 3111020031101 is a prime.

It is a super-2 number, since 2×3111020031103² (a number of 26 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 (3111020031101) 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, 1608592638 + ... + 1608594571.

It is an arithmetic number, because the mean of its divisors is an integer number (778559304820).

Almost surely, 2^{3111020031103} is an apocalyptic number.

3111020031103 is a deficient number, since it is larger than the sum of its proper divisors (3217188177).

3111020031103 is an equidigital number, since it uses as much as digits as its factorization.

3111020031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217188176.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 3111020031103 its reverse (3011300201113), we get a palindrome (6122320232216).

The spelling of 3111020031103 in words is "three trillion, one hundred eleven billion, twenty million, thirty-one thousand, one hundred three".