42311043434 has 16 divisors (see below), whose sum is σ = 69240194496. Its totient is φ = 19231197600.

The previous prime is 42311043433. The next prime is 42311043457. The reversal of 42311043434 is 43434011324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42311043397 and 42311043406.

It is not an unprimeable number, because it can be changed into a prime (42311043433) 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, 439739 + ... + 527249.

It is an arithmetic number, because the mean of its divisors is an integer number (4327512156).

Almost surely, 2^42311043434 is an apocalyptic number.

42311043434 is a deficient number, since it is larger than the sum of its proper divisors (26929151062).

42311043434 is a wasteful number, since it uses less digits than its factorization.

42311043434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109501.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42311043434 its reverse (43434011324), we get a palindrome (85745054758).

The spelling of 42311043434 in words is "forty-two billion, three hundred eleven million, forty-three thousand, four hundred thirty-four".