42101004131 has 4 divisors (see below), whose sum is σ = 42277159200. Its totient is φ = 41924849064.

The previous prime is 42101004091. The next prime is 42101004133. The reversal of 42101004131 is 13140010124.

It is a happy number.

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 42101004131 - 2³⁴ = 24921134947 is a prime.

It is a super-2 number, since 2×42101004131² (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 (42101004133) 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, 88077176 + ... + 88077653.

It is an arithmetic number, because the mean of its divisors is an integer number (10569289800).

Almost surely, 2^42101004131 is an apocalyptic number.

42101004131 is a deficient number, since it is larger than the sum of its proper divisors (176155069).

42101004131 is a wasteful number, since it uses less digits than its factorization.

42101004131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176155068.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 42101004131 its reverse (13140010124), we get a palindrome (55241014255).

The spelling of 42101004131 in words is "forty-two billion, one hundred one million, four thousand, one hundred thirty-one".