31030112111103 has 24 divisors (see below), whose sum is σ = 51224789622656. Its totient is φ = 17731327323600.

The previous prime is 31030112111093. The next prime is 31030112111179. The reversal of 31030112111103 is 30111121103013.

31030112111103 is a `hidden beast` number, since 310 + 30 + 1 + 1 + 211 + 110 + 3 = 666.

It is not a de Polignac number, because 31030112111103 - 2¹⁰ = 31030112110079 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 (31030112111003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4682088 + ... + 9164178.

Almost surely, 2^{31030112111103} is an apocalyptic number.

31030112111103 is a deficient number, since it is larger than the sum of its proper divisors (20194677511553).

31030112111103 is a wasteful number, since it uses less digits than its factorization.

31030112111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591995 (or 4591992 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 31030112111103 its reverse (30111121103013), we get a palindrome (61141233214116).

The spelling of 31030112111103 in words is "thirty-one trillion, thirty billion, one hundred twelve million, one hundred eleven thousand, one hundred three".