31100200103 has 16 divisors (see below), whose sum is σ = 37422347520. Its totient is φ = 25248511296.

The previous prime is 31100200063. The next prime is 31100200111. The reversal of 31100200103 is 30100200113.

It is a cyclic number.

It is not a de Polignac number, because 31100200103 - 2²² = 31096005799 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 (31100200003) 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, 613076 + ... + 661862.

It is an arithmetic number, because the mean of its divisors is an integer number (2338896720).

Almost surely, 2^31100200103 is an apocalyptic number.

31100200103 is a deficient number, since it is larger than the sum of its proper divisors (6322147417).

31100200103 is a wasteful number, since it uses less digits than its factorization.

31100200103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53606.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 31100200103 its reverse (30100200113), we get a palindrome (61200400216).

The spelling of 31100200103 in words is "thirty-one billion, one hundred million, two hundred thousand, one hundred three".