427031 has 4 divisors (see below), whose sum is σ = 465864. Its totient is φ = 388200.

The previous prime is 427013. The next prime is 427039. The reversal of 427031 is 130724.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427031 - 2¹⁰ = 426007 is a prime.

It is a super-2 number, since 2×427031² = 364710949922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 427031.

It is not an unprimeable number, because it can be changed into a prime (427039) 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, 19400 + ... + 19421.

It is an arithmetic number, because the mean of its divisors is an integer number (116466).

2⁴²⁷⁰³¹ is an apocalyptic number.

427031 is a deficient number, since it is larger than the sum of its proper divisors (38833).

427031 is a wasteful number, since it uses less digits than its factorization.

427031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38832.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 427031 is about 653.4760898457. The cubic root of 427031 is about 75.3043043887.

Multiplying 427031 by its sum of digits (17), we get a palindrome (7259527).

Adding to 427031 its reverse (130724), we get a palindrome (557755).

The spelling of 427031 in words is "four hundred twenty-seven thousand, thirty-one".