31103112041 has 16 divisors (see below), whose sum is σ = 32591750400. Its totient is φ = 29657916288.

The previous prime is 31103112011. The next prime is 31103112067. The reversal of 31103112041 is 14021130113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31103112041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31103112011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250895 + ... + 353771.

It is an arithmetic number, because the mean of its divisors is an integer number (2036984400).

Almost surely, 2^31103112041 is an apocalyptic number.

It is an amenable number.

31103112041 is a deficient number, since it is larger than the sum of its proper divisors (1488638359).

31103112041 is a wasteful number, since it uses less digits than its factorization.

31103112041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103088.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 31103112041 its reverse (14021130113), we get a palindrome (45124242154).

The spelling of 31103112041 in words is "thirty-one billion, one hundred three million, one hundred twelve thousand, forty-one".