431420511 has 8 divisors (see below), whose sum is σ = 575602560. Its totient is φ = 287426072.

The previous prime is 431420497. The next prime is 431420519. The reversal of 431420511 is 115024134.

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 431420511 - 2²² = 427226207 is a prime.

It is a super-2 number, since 2×431420511² = 372247314623002242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431420519) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 41445 + ... + 50798.

It is an arithmetic number, because the mean of its divisors is an integer number (71950320).

Almost surely, 2^431420511 is an apocalyptic number.

431420511 is a deficient number, since it is larger than the sum of its proper divisors (144182049).

431420511 is a wasteful number, since it uses less digits than its factorization.

431420511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93805.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 431420511 is about 20770.6646740060. The cubic root of 431420511 is about 755.6144646166.

Adding to 431420511 its reverse (115024134), we get a palindrome (546444645).

The spelling of 431420511 in words is "four hundred thirty-one million, four hundred twenty thousand, five hundred eleven".