31041103103 has 4 divisors (see below), whose sum is σ = 31049655648. Its totient is φ = 31032550560.

The previous prime is 31041103043. The next prime is 31041103127. The reversal of 31041103103 is 30130114013.

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 31041103103 - 2⁸ = 31041102847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31041103133) 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, 4270826 + ... + 4278087.

It is an arithmetic number, because the mean of its divisors is an integer number (7762413912).

Almost surely, 2^31041103103 is an apocalyptic number.

31041103103 is a deficient number, since it is larger than the sum of its proper divisors (8552545).

31041103103 is an equidigital number, since it uses as much as digits as its factorization.

31041103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8552544.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31041103103 its reverse (30130114013), we get a palindrome (61171217116).

The spelling of 31041103103 in words is "thirty-one billion, forty-one million, one hundred three thousand, one hundred three".