100013131103 has 4 divisors (see below), whose sum is σ = 105896256480. Its totient is φ = 94130005728.

The previous prime is 100013131061. The next prime is 100013131117. The reversal of 100013131103 is 301131310001.

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: 301131310001 = 523877 ⋅574813.

It is a cyclic number.

It is not a de Polignac number, because 100013131103 - 2¹² = 100013127007 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 (100013131123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2941562663 + ... + 2941562696.

It is an arithmetic number, because the mean of its divisors is an integer number (26474064120).

Almost surely, 2^100013131103 is an apocalyptic number.

100013131103 is a deficient number, since it is larger than the sum of its proper divisors (5883125377).

100013131103 is an equidigital number, since it uses as much as digits as its factorization.

100013131103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883125376.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 100013131103 its reverse (301131310001), we get a palindrome (401144441104).

The spelling of 100013131103 in words is "one hundred billion, thirteen million, one hundred thirty-one thousand, one hundred three".