431048431 has 8 divisors (see below), whose sum is σ = 486450000. Its totient is φ = 378349440.

The previous prime is 431048389. The next prime is 431048441. The reversal of 431048431 is 134840134.

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

It is a cyclic number.

It is not a de Polignac number, because 431048431 - 2⁹ = 431047919 is a prime.

It is a super-2 number, since 2×431048431² = 371605499735123522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431048431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431048441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675306 + ... + 675943.

It is an arithmetic number, because the mean of its divisors is an integer number (60806250).

Almost surely, 2^431048431 is an apocalyptic number.

431048431 is a deficient number, since it is larger than the sum of its proper divisors (55401569).

431048431 is a wasteful number, since it uses less digits than its factorization.

431048431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351289.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 431048431 is about 20761.7058788530. The cubic root of 431048431 is about 755.3971747664.

Adding to 431048431 its reverse (134840134), we get a palindrome (565888565).

The spelling of 431048431 in words is "four hundred thirty-one million, forty-eight thousand, four hundred thirty-one".