42431121413333 has 4 divisors (see below), whose sum is σ = 43799867265408. Its totient is φ = 41062375561260.

The previous prime is 42431121413299. The next prime is 42431121413341. The reversal of 42431121413333 is 33331412113424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42431121413333 - 2²⁴ = 42431104636117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42431121413293 and 42431121413302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42431121413353) 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, 684372925991 + ... + 684372926052.

It is an arithmetic number, because the mean of its divisors is an integer number (10949966816352).

Almost surely, 2^{42431121413333} is an apocalyptic number.

It is an amenable number.

42431121413333 is a deficient number, since it is larger than the sum of its proper divisors (1368745852075).

42431121413333 is a wasteful number, since it uses less digits than its factorization.

42431121413333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368745852074.

The product of its digits is 62208, while the sum is 35.

Adding to 42431121413333 its reverse (33331412113424), we get a palindrome (75762533526757).

The spelling of 42431121413333 in words is "forty-two trillion, four hundred thirty-one billion, one hundred twenty-one million, four hundred thirteen thousand, three hundred thirty-three".