431135423545 has 16 divisors (see below), whose sum is σ = 539909038080. Its totient is φ = 329880236224.

The previous prime is 431135423527. The next prime is 431135423567. The reversal of 431135423545 is 545324531134.

It is a cyclic number.

It is not a de Polignac number, because 431135423545 - 2⁵ = 431135423513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431135423498 and 431135423507.

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 15 ways as a sum of consecutive naturals, for example, 1040712 + ... + 1394758.

It is an arithmetic number, because the mean of its divisors is an integer number (33744314880).

Almost surely, 2^431135423545 is an apocalyptic number.

It is an amenable number.

431135423545 is a deficient number, since it is larger than the sum of its proper divisors (108773614535).

431135423545 is a wasteful number, since it uses less digits than its factorization.

431135423545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364664.

The product of its digits is 432000, while the sum is 40.

Adding to 431135423545 its reverse (545324531134), we get a palindrome (976459954679).

The spelling of 431135423545 in words is "four hundred thirty-one billion, one hundred thirty-five million, four hundred twenty-three thousand, five hundred forty-five".