431404505001 has 24 divisors (see below), whose sum is σ = 645702794880. Its totient is φ = 277358661216.

The previous prime is 431404504913. The next prime is 431404505023. The reversal of 431404505001 is 100505404134.

It is a happy number.

It is not a de Polignac number, because 431404505001 - 2²² = 431400310697 is a prime.

It is a super-2 number, since 2×431404505001² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431404505071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7024746 + ... + 7085891.

It is an arithmetic number, because the mean of its divisors is an integer number (26904283120).

Almost surely, 2^431404505001 is an apocalyptic number.

It is an amenable number.

431404505001 is a deficient number, since it is larger than the sum of its proper divisors (214298289879).

431404505001 is a wasteful number, since it uses less digits than its factorization.

431404505001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14110765 (or 14110762 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 431404505001 its reverse (100505404134), we get a palindrome (531909909135).

The spelling of 431404505001 in words is "four hundred thirty-one billion, four hundred four million, five hundred five thousand, one".