42100110131 has 4 divisors (see below), whose sum is σ = 42114615312. Its totient is φ = 42085604952.

The previous prime is 42100110127. The next prime is 42100110161. The reversal of 42100110131 is 13101100124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42100110131 - 2² = 42100110127 is a prime.

It is a super-2 number, since 2×42100110131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42100110121) 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, 7248236 + ... + 7254041.

It is an arithmetic number, because the mean of its divisors is an integer number (10528653828).

Almost surely, 2^42100110131 is an apocalyptic number.

42100110131 is a deficient number, since it is larger than the sum of its proper divisors (14505181).

42100110131 is a wasteful number, since it uses less digits than its factorization.

42100110131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14505180.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 42100110131 its reverse (13101100124), we get a palindrome (55201210255).

The spelling of 42100110131 in words is "forty-two billion, one hundred million, one hundred ten thousand, one hundred thirty-one".