42112631 has 8 divisors (see below), whose sum is σ = 46694928. Its totient is φ = 37656000.

The previous prime is 42112613. The next prime is 42112639. The reversal of 42112631 is 13621124.

42112631 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 a cyclic number.

It is not a de Polignac number, because 42112631 - 2¹⁴ = 42096247 is a prime.

It is a super-2 number, since 2×42112631² = 3546947379484322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42112639) 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, 30710 + ... + 32051.

It is an arithmetic number, because the mean of its divisors is an integer number (5836866).

Almost surely, 2^42112631 is an apocalyptic number.

42112631 is a deficient number, since it is larger than the sum of its proper divisors (4582297).

42112631 is a wasteful number, since it uses less digits than its factorization.

42112631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62833.

The product of its digits is 288, while the sum is 20.

The square root of 42112631 is about 6489.4245507595. The cubic root of 42112631 is about 347.9131080676.

Adding to 42112631 its reverse (13621124), we get a palindrome (55733755).

The spelling of 42112631 in words is "forty-two million, one hundred twelve thousand, six hundred thirty-one".