431323404424231 has 12 divisors (see below), whose sum is σ = 486912773281816. Its totient is φ = 381514559191920.

The previous prime is 431323404424207. The next prime is 431323404424247. The reversal of 431323404424231 is 132424404323134.

It is a happy number.

It is not a de Polignac number, because 431323404424231 - 2¹⁹ = 431323403899943 is a prime.

It is a super-2 number, since 2×431323404424231² (a number of 30 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 (431323404424831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48171025725 + ... + 48171034678.

Almost surely, 2^{431323404424231} is an apocalyptic number.

431323404424231 is a deficient number, since it is larger than the sum of its proper divisors (55589368857585).

431323404424231 is a wasteful number, since it uses less digits than its factorization.

431323404424231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96342060462 (or 96342060451 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 431323404424231 its reverse (132424404323134), we get a palindrome (563747808747365).

The spelling of 431323404424231 in words is "four hundred thirty-one trillion, three hundred twenty-three billion, four hundred four million, four hundred twenty-four thousand, two hundred thirty-one".