42141231 has 24 divisors (see below), whose sum is σ = 66867840. Its totient is φ = 25362000.

The previous prime is 42141227. The next prime is 42141251. The reversal of 42141231 is 13214124.

It is not a de Polignac number, because 42141231 - 2² = 42141227 is a prime.

It is a super-2 number, since 2×42141231² = 3551766700390722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42141251) 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 23 ways as a sum of consecutive naturals, for example, 13540 + ... + 16358.

It is an arithmetic number, because the mean of its divisors is an integer number (2786160).

Almost surely, 2^42141231 is an apocalyptic number.

42141231 is a deficient number, since it is larger than the sum of its proper divisors (24726609).

42141231 is a wasteful number, since it uses less digits than its factorization.

42141231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987 (or 2984 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 42141231 is about 6491.6277619716. The cubic root of 42141231 is about 347.9918497893.

Adding to 42141231 its reverse (13214124), we get a palindrome (55355355).

It can be divided in two parts, 4214123 and 1, that added together give a palindrome (4214124).

The spelling of 42141231 in words is "forty-two million, one hundred forty-one thousand, two hundred thirty-one".