42201105231 has 4 divisors (see below), whose sum is σ = 56268140312. Its totient is φ = 28134070152.

The previous prime is 42201105197. The next prime is 42201105241. The reversal of 42201105231 is 13250110224.

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

It is not a de Polignac number, because 42201105231 - 2¹⁰ = 42201104207 is a prime.

It is a super-2 number, since 2×42201105231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42201105198 and 42201105207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42201105241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7033517536 + ... + 7033517541.

It is an arithmetic number, because the mean of its divisors is an integer number (14067035078).

Almost surely, 2^42201105231 is an apocalyptic number.

42201105231 is a deficient number, since it is larger than the sum of its proper divisors (14067035081).

42201105231 is a wasteful number, since it uses less digits than its factorization.

42201105231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14067035080.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 42201105231 its reverse (13250110224), we get a palindrome (55451215455).

The spelling of 42201105231 in words is "forty-two billion, two hundred one million, one hundred five thousand, two hundred thirty-one".