42312003311 has 4 divisors (see below), whose sum is σ = 43296003432. Its totient is φ = 41328003192.

The previous prime is 42312003287. The next prime is 42312003361. The reversal of 42312003311 is 11330021324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42312003311 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 (42312003361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491999996 + ... + 492000081.

It is an arithmetic number, because the mean of its divisors is an integer number (10824000858).

Almost surely, 2^42312003311 is an apocalyptic number.

42312003311 is a deficient number, since it is larger than the sum of its proper divisors (984000121).

42312003311 is an equidigital number, since it uses as much as digits as its factorization.

42312003311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984000120.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 42312003311 its reverse (11330021324), we get a palindrome (53642024635).

The spelling of 42312003311 in words is "forty-two billion, three hundred twelve million, three thousand, three hundred eleven".