42031221243303 has 24 divisors (see below), whose sum is σ = 58339739094768. Its totient is φ = 26907180616576.

The previous prime is 42031221243287. The next prime is 42031221243313. The reversal of 42031221243303 is 30334212213024.

It is a happy number.

It is not a de Polignac number, because 42031221243303 - 2⁴ = 42031221243287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42031221243313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59482926 + ... + 60185387.

It is an arithmetic number, because the mean of its divisors is an integer number (2430822462282).

Almost surely, 2^{42031221243303} is an apocalyptic number.

42031221243303 is a deficient number, since it is larger than the sum of its proper divisors (16308517851465).

42031221243303 is a wasteful number, since it uses less digits than its factorization.

42031221243303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119668463 (or 119668416 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 42031221243303 its reverse (30334212213024), we get a palindrome (72365433456327).

The spelling of 42031221243303 in words is "forty-two trillion, thirty-one billion, two hundred twenty-one million, two hundred forty-three thousand, three hundred three".