431400134424 has 48 divisors (see below), whose sum is σ = 1254582027000. Its totient is φ = 123257180928.

The previous prime is 431400134303. The next prime is 431400134447. The reversal of 431400134424 is 424431004134.

It is a super-2 number, since 2×431400134424² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431400134391 and 431400134400.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 183417249 + ... + 183419600.

Almost surely, 2^431400134424 is an apocalyptic number.

It is an amenable number.

431400134424 is an abundant number, since it is smaller than the sum of its proper divisors (823181892576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431400134424 is a wasteful number, since it uses less digits than its factorization.

431400134424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366836872 (or 366836861 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 431400134424 its reverse (424431004134), we get a palindrome (855831138558).

The spelling of 431400134424 in words is "four hundred thirty-one billion, four hundred million, one hundred thirty-four thousand, four hundred twenty-four".