113031012103 has 32 divisors (see below), whose sum is σ = 126762163200. Its totient is φ = 100314474624.

The previous prime is 113031012091. The next prime is 113031012121. The reversal of 113031012103 is 301210130311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113031012103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113031012203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7474476 + ... + 7489582.

It is an arithmetic number, because the mean of its divisors is an integer number (3961317600).

Almost surely, 2^113031012103 is an apocalyptic number.

113031012103 is a deficient number, since it is larger than the sum of its proper divisors (13731151097).

113031012103 is a wasteful number, since it uses less digits than its factorization.

113031012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15559.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 113031012103 its reverse (301210130311), we get a palindrome (414241142414).

The spelling of 113031012103 in words is "one hundred thirteen billion, thirty-one million, twelve thousand, one hundred three".