42010131 has 4 divisors (see below), whose sum is σ = 56013512. Its totient is φ = 28006752.

The previous prime is 42010127. The next prime is 42010141. The reversal of 42010131 is 13101024.

It is a happy number.

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

It is not a de Polignac number, because 42010131 - 2² = 42010127 is a prime.

It is a super-2 number, since 2×42010131² = 3529702213274322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42010141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7001686 + ... + 7001691.

It is an arithmetic number, because the mean of its divisors is an integer number (14003378).

Almost surely, 2^42010131 is an apocalyptic number.

42010131 is a deficient number, since it is larger than the sum of its proper divisors (14003381).

42010131 is a wasteful number, since it uses less digits than its factorization.

42010131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14003380.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 42010131 is about 6481.5222748981. The cubic root of 42010131 is about 347.6306111512.

Adding to 42010131 its reverse (13101024), we get a palindrome (55111155).

The spelling of 42010131 in words is "forty-two million, ten thousand, one hundred thirty-one".