42331611 has 8 divisors (see below), whose sum is σ = 64505344. Its totient is φ = 24189480.

The previous prime is 42331609. The next prime is 42331613. The reversal of 42331611 is 11613324.

It is an interprime number because it is at equal distance from previous prime (42331609) and next prime (42331613).

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

It is not a de Polignac number, because 42331611 - 2¹ = 42331609 is a prime.

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: 2015791 = 42331611 / (4 + 2 + 3 + 3 + 1 + 6 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42331613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007875 + ... + 1007916.

It is an arithmetic number, because the mean of its divisors is an integer number (8063168).

Almost surely, 2^42331611 is an apocalyptic number.

42331611 is a deficient number, since it is larger than the sum of its proper divisors (22173733).

42331611 is a wasteful number, since it uses less digits than its factorization.

42331611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015801.

The product of its digits is 432, while the sum is 21.

The square root of 42331611 is about 6506.2747405870. The cubic root of 42331611 is about 348.5150995875.

Adding to 42331611 its reverse (11613324), we get a palindrome (53944935).

The spelling of 42331611 in words is "forty-two million, three hundred thirty-one thousand, six hundred eleven".