42111132131 has 4 divisors (see below), whose sum is σ = 42111548064. Its totient is φ = 42110716200.

The previous prime is 42111132097. The next prime is 42111132143. The reversal of 42111132131 is 13123111124.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42111132131 is a prime.

It is a super-2 number, since 2×42111132131² (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 (42111132031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53366 + ... + 295076.

It is an arithmetic number, because the mean of its divisors is an integer number (10527887016).

Almost surely, 2^42111132131 is an apocalyptic number.

42111132131 is a deficient number, since it is larger than the sum of its proper divisors (415933).

42111132131 is a wasteful number, since it uses less digits than its factorization.

42111132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415932.

The product of its digits is 144, while the sum is 20.

Adding to 42111132131 its reverse (13123111124), we get a palindrome (55234243255).

The spelling of 42111132131 in words is "forty-two billion, one hundred eleven million, one hundred thirty-two thousand, one hundred thirty-one".