42312061 has 8 divisors (see below), whose sum is σ = 46302048. Its totient is φ = 38346000.

The previous prime is 42312037. The next prime is 42312071. The reversal of 42312061 is 16021324.

42312061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42312061 - 2¹³ = 42303869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42312071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2170 + ... + 9451.

It is an arithmetic number, because the mean of its divisors is an integer number (5787756).

Almost surely, 2^42312061 is an apocalyptic number.

It is an amenable number.

42312061 is a deficient number, since it is larger than the sum of its proper divisors (3989987).

42312061 is a wasteful number, since it uses less digits than its factorization.

42312061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11963.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 42312061 is about 6504.7721712601. The cubic root of 42312061 is about 348.4614397716.

Adding to 42312061 its reverse (16021324), we get a palindrome (58333385).

The spelling of 42312061 in words is "forty-two million, three hundred twelve thousand, sixty-one".