231434 has 16 divisors (see below), whose sum is σ = 404736. Its totient is φ = 97200.

The previous prime is 231433. The next prime is 231443. The reversal of 231434 is 434132.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 231434.

It is not an unprimeable number, because it can be changed into a prime (231431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719 + ... + 989.

It is an arithmetic number, because the mean of its divisors is an integer number (25296).

2²³¹⁴³⁴ is an apocalyptic number.

231434 is a deficient number, since it is larger than the sum of its proper divisors (173302).

231434 is a wasteful number, since it uses less digits than its factorization.

231434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its digits is 288, while the sum is 17.

The square root of 231434 is about 481.0758775911. The cubic root of 231434 is about 61.3963265317.

Adding to 231434 its reverse (434132), we get a palindrome (665566).

The spelling of 231434 in words is "two hundred thirty-one thousand, four hundred thirty-four".