42131183 has 2 divisors, whose sum is σ = 42131184. Its totient is φ = 42131182.

The previous prime is 42131161. The next prime is 42131267. The reversal of 42131183 is 38113124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42131183 - 2⁶ = 42131119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42131153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21065591 + 21065592.

It is an arithmetic number, because the mean of its divisors is an integer number (21065592).

Almost surely, 2^42131183 is an apocalyptic number.

42131183 is a deficient number, since it is larger than the sum of its proper divisors (1).

42131183 is an equidigital number, since it uses as much as digits as its factorization.

42131183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 42131183 is about 6490.8537959193. The cubic root of 42131183 is about 347.9641896256.

The spelling of 42131183 in words is "forty-two million, one hundred thirty-one thousand, one hundred eighty-three".