431004161 has 8 divisors (see below), whose sum is σ = 493335744. Its totient is φ = 368862480.

The previous prime is 431004139. The next prime is 431004169. The reversal of 431004161 is 161400134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-431004161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431004169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42575 + ... + 51716.

It is an arithmetic number, because the mean of its divisors is an integer number (61666968).

Almost surely, 2^431004161 is an apocalyptic number.

It is an amenable number.

431004161 is a deficient number, since it is larger than the sum of its proper divisors (62331583).

431004161 is an equidigital number, since it uses as much as digits as its factorization.

431004161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94951.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 431004161 is about 20760.6397059436. The cubic root of 431004161 is about 755.3713133430.

Adding to 431004161 its reverse (161400134), we get a palindrome (592404295).

The spelling of 431004161 in words is "four hundred thirty-one million, four thousand, one hundred sixty-one".