42321333431 has 8 divisors (see below), whose sum is σ = 46257072624. Its totient is φ = 38482773120.

The previous prime is 42321333427. The next prime is 42321333463. The reversal of 42321333431 is 13433312324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42321333431 - 2² = 42321333427 is a prime.

It is a super-2 number, since 2×42321333431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42321333394 and 42321333403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42321333401) 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 7 ways as a sum of consecutive naturals, for example, 24293810 + ... + 24295551.

It is an arithmetic number, because the mean of its divisors is an integer number (5782134078).

Almost surely, 2^42321333431 is an apocalyptic number.

42321333431 is a deficient number, since it is larger than the sum of its proper divisors (3935739193).

42321333431 is a wasteful number, since it uses less digits than its factorization.

42321333431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48589441.

The product of its digits is 15552, while the sum is 29.

Adding to 42321333431 its reverse (13433312324), we get a palindrome (55754645755).

The spelling of 42321333431 in words is "forty-two billion, three hundred twenty-one million, three hundred thirty-three thousand, four hundred thirty-one".