424231001403431 has 2 divisors, whose sum is σ = 424231001403432. Its totient is φ = 424231001403430.

The previous prime is 424231001403427. The next prime is 424231001403449. The reversal of 424231001403431 is 134304100132424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424231001403431 - 2² = 424231001403427 is a prime.

It is a super-3 number, since 3×424231001403431³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424231001403401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212115500701715 + 212115500701716.

It is an arithmetic number, because the mean of its divisors is an integer number (212115500701716).

Almost surely, 2^{424231001403431} is an apocalyptic number.

424231001403431 is a deficient number, since it is larger than the sum of its proper divisors (1).

424231001403431 is an equidigital number, since it uses as much as digits as its factorization.

424231001403431 is an evil number, because the sum of its binary digits is even.

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

Adding to 424231001403431 its reverse (134304100132424), we get a palindrome (558535101535855).

The spelling of 424231001403431 in words is "four hundred twenty-four trillion, two hundred thirty-one billion, one million, four hundred three thousand, four hundred thirty-one".