431055 has 32 divisors (see below), whose sum is σ = 798720. Its totient is φ = 220320.

The previous prime is 431051. The next prime is 431063. The reversal of 431055 is 550134.

It is not a de Polignac number, because 431055 - 2² = 431051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4134 + ... + 4236.

It is an arithmetic number, because the mean of its divisors is an integer number (24960).

2⁴³¹⁰⁵⁵ is an apocalyptic number.

431055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

431055 is a deficient number, since it is larger than the sum of its proper divisors (367665).

431055 is a wasteful number, since it uses less digits than its factorization.

431055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 431055 is about 656.5477895782. The cubic root of 431055 is about 75.5401012060.

Adding to 431055 its reverse (550134), we get a palindrome (981189).

The spelling of 431055 in words is "four hundred thirty-one thousand, fifty-five".