42142110131 has 16 divisors (see below), whose sum is σ = 46107922560. Its totient is φ = 38198882880.

The previous prime is 42142110121. The next prime is 42142110133. The reversal of 42142110131 is 13101124124.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42142110131 is a prime.

It is a super-2 number, since 2×42142110131² (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 (42142110133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9986540 + ... + 9990758.

It is an arithmetic number, because the mean of its divisors is an integer number (2881745160).

Almost surely, 2^42142110131 is an apocalyptic number.

42142110131 is a deficient number, since it is larger than the sum of its proper divisors (3965812429).

42142110131 is a wasteful number, since it uses less digits than its factorization.

42142110131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 42142110131 its reverse (13101124124), we get a palindrome (55243234255).

The spelling of 42142110131 in words is "forty-two billion, one hundred forty-two million, one hundred ten thousand, one hundred thirty-one".