431701 has 4 divisors (see below), whose sum is σ = 433132. Its totient is φ = 430272.

The previous prime is 431693. The next prime is 431707. The reversal of 431701 is 107134.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 207025 + 224676 = 455^2 + 474^2 .

It is a cyclic number.

It is not a de Polignac number, because 431701 - 2³ = 431693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (108283).

2⁴³¹⁷⁰¹ is an apocalyptic number.

It is an amenable number.

431701 is a deficient number, since it is larger than the sum of its proper divisors (1431).

431701 is an equidigital number, since it uses as much as digits as its factorization.

431701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 431701 is about 657.0395726286. The cubic root of 431701 is about 75.5778183946.

Adding to 431701 its reverse (107134), we get a palindrome (538835).

The spelling of 431701 in words is "four hundred thirty-one thousand, seven hundred one".