42101131 has 8 divisors (see below), whose sum is σ = 45747200. Its totient is φ = 38598120.

The previous prime is 42101119. The next prime is 42101149. The reversal of 42101131 is 13110124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42101131 - 2⁵ = 42101099 is a prime.

It is a super-2 number, since 2×42101131² = 3545010462958322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42101531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35151 + ... + 36328.

It is an arithmetic number, because the mean of its divisors is an integer number (5718400).

Almost surely, 2^42101131 is an apocalyptic number.

42101131 is a deficient number, since it is larger than the sum of its proper divisors (3646069).

42101131 is a wasteful number, since it uses less digits than its factorization.

42101131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71529.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 42101131 is about 6488.5384332683. The cubic root of 42101131 is about 347.8814361369.

Adding to 42101131 its reverse (13110124), we get a palindrome (55211255).

The spelling of 42101131 in words is "forty-two million, one hundred one thousand, one hundred thirty-one".