42312021303 has 16 divisors (see below), whose sum is σ = 58537665536. Its totient is φ = 27156625920.

The previous prime is 42312021263. The next prime is 42312021313. The reversal of 42312021303 is 30312021324.

It is not a de Polignac number, because 42312021303 - 2⁶ = 42312021239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42312021303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42312021313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160725 + ... + 1196622.

It is an arithmetic number, because the mean of its divisors is an integer number (3658604096).

Almost surely, 2^42312021303 is an apocalyptic number.

42312021303 is a deficient number, since it is larger than the sum of its proper divisors (16225644233).

42312021303 is a wasteful number, since it uses less digits than its factorization.

42312021303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357574.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 42312021303 its sum of digits (21), we get a palindrome (42312021324).

Adding to 42312021303 its reverse (30312021324), we get a palindrome (72624042627).

The spelling of 42312021303 in words is "forty-two billion, three hundred twelve million, twenty-one thousand, three hundred three".