42011319 has 8 divisors (see below), whose sum is σ = 64017280. Its totient is φ = 24006456.

The previous prime is 42011311. The next prime is 42011323. The reversal of 42011319 is 91311024.

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

It is not a de Polignac number, because 42011319 - 2³ = 42011311 is a prime.

It is a super-2 number, since 2×42011319² = 3529901848239522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2000539 = 42011319 / (4 + 2 + 0 + 1 + 1 + 3 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42011295 and 42011304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42011311) 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, 1000249 + ... + 1000290.

It is an arithmetic number, because the mean of its divisors is an integer number (8002160).

Almost surely, 2^42011319 is an apocalyptic number.

42011319 is a deficient number, since it is larger than the sum of its proper divisors (22005961).

42011319 is a wasteful number, since it uses less digits than its factorization.

42011319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000549.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 42011319 is about 6481.6139193877. The cubic root of 42011319 is about 347.6338879899.

The spelling of 42011319 in words is "forty-two million, eleven thousand, three hundred nineteen".