31104542103 has 4 divisors (see below), whose sum is σ = 41472722808. Its totient is φ = 20736361400.

The previous prime is 31104542101. The next prime is 31104542149. The reversal of 31104542103 is 30124540113.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30124540113 = 3 ⋅10041513371.

It is a cyclic number.

It is not a de Polignac number, because 31104542103 - 2¹ = 31104542101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31104542101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5184090348 + ... + 5184090353.

It is an arithmetic number, because the mean of its divisors is an integer number (10368180702).

Almost surely, 2^31104542103 is an apocalyptic number.

31104542103 is a deficient number, since it is larger than the sum of its proper divisors (10368180705).

31104542103 is a wasteful number, since it uses less digits than its factorization.

31104542103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10368180704.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 31104542103 in words is "thirty-one billion, one hundred four million, five hundred forty-two thousand, one hundred three".