42131342 has 32 divisors (see below), whose sum is σ = 70913664. Its totient is φ = 18612000.

The previous prime is 42131281. The next prime is 42131347. The reversal of 42131342 is 24313124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42131347) 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, 148733 + ... + 149015.

It is an arithmetic number, because the mean of its divisors is an integer number (2216052).

Almost surely, 2^42131342 is an apocalyptic number.

42131342 is a deficient number, since it is larger than the sum of its proper divisors (28782322).

42131342 is a wasteful number, since it uses less digits than its factorization.

42131342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its digits is 576, while the sum is 20.

The square root of 42131342 is about 6490.8660439112. The cubic root of 42131342 is about 347.9646273555.

Adding to 42131342 its reverse (24313124), we get a palindrome (66444466).

It can be divided in two parts, 4213 and 1342, that added together give a palindrome (5555).

The spelling of 42131342 in words is "forty-two million, one hundred thirty-one thousand, three hundred forty-two".