4242401331431 has 4 divisors (see below), whose sum is σ = 4249831106664. Its totient is φ = 4234971556200.

The previous prime is 4242401331401. The next prime is 4242401331433. The reversal of 4242401331431 is 1341331042424.

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

It is a cyclic number.

It is not a de Polignac number, because 4242401331431 - 2²² = 4242397137127 is a prime.

It is a super-2 number, since 2×4242401331431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242401331433) 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 3 ways as a sum of consecutive naturals, for example, 3714886760 + ... + 3714887901.

It is an arithmetic number, because the mean of its divisors is an integer number (1062457776666).

Almost surely, 2^{4242401331431} is an apocalyptic number.

4242401331431 is a deficient number, since it is larger than the sum of its proper divisors (7429775233).

4242401331431 is an equidigital number, since it uses as much as digits as its factorization.

4242401331431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7429775232.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 4242401331431 its reverse (1341331042424), we get a palindrome (5583732373855).

The spelling of 4242401331431 in words is "four trillion, two hundred forty-two billion, four hundred one million, three hundred thirty-one thousand, four hundred thirty-one".