42311234 has 16 divisors (see below), whose sum is σ = 72620736. Its totient is φ = 18111600.

The previous prime is 42311231. The next prime is 42311263. The reversal of 42311234 is 43211324.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42311231) 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, 16904 + ... + 19244.

It is an arithmetic number, because the mean of its divisors is an integer number (4538796).

Almost surely, 2^42311234 is an apocalyptic number.

42311234 is a deficient number, since it is larger than the sum of its proper divisors (30309502).

42311234 is a wasteful number, since it uses less digits than its factorization.

42311234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641.

The product of its digits is 576, while the sum is 20.

The square root of 42311234 is about 6504.7086022358. The cubic root of 42311234 is about 348.4591695010.

Adding to 42311234 its reverse (43211324), we get a palindrome (85522558).

The spelling of 42311234 in words is "forty-two million, three hundred eleven thousand, two hundred thirty-four".