42001122340131 has 4 divisors (see below), whose sum is σ = 56001496453512. Its totient is φ = 28000748226752.

The previous prime is 42001122340019. The next prime is 42001122340201. The reversal of 42001122340131 is 13104322110024.

42001122340131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42001122340131 - 2⁷ = 42001122340003 is a prime.

It is a super-2 number, since 2×42001122340131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42001122341131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7000187056686 + ... + 7000187056691.

It is an arithmetic number, because the mean of its divisors is an integer number (14000374113378).

Almost surely, 2^{42001122340131} is an apocalyptic number.

42001122340131 is a deficient number, since it is larger than the sum of its proper divisors (14000374113381).

42001122340131 is a wasteful number, since it uses less digits than its factorization.

42001122340131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14000374113380.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 42001122340131 its reverse (13104322110024), we get a palindrome (55105444450155).

The spelling of 42001122340131 in words is "forty-two trillion, one billion, one hundred twenty-two million, three hundred forty thousand, one hundred thirty-one".