42331321011 has 16 divisors (see below), whose sum is σ = 64613666304. Its totient is φ = 24148527744.

The previous prime is 42331320953. The next prime is 42331321013. The reversal of 42331321011 is 11012313324.

It is not a de Polignac number, because 42331321011 - 2¹¹ = 42331318963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (42331321013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687191 + ... + 1712096.

It is an arithmetic number, because the mean of its divisors is an integer number (4038354144).

Almost surely, 2^42331321011 is an apocalyptic number.

42331321011 is a deficient number, since it is larger than the sum of its proper divisors (22282345293).

42331321011 is a wasteful number, since it uses less digits than its factorization.

42331321011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399890.

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

Adding to 42331321011 its reverse (11012313324), we get a palindrome (53343634335).

The spelling of 42331321011 in words is "forty-two billion, three hundred thirty-one million, three hundred twenty-one thousand, eleven".