231412 has 6 divisors (see below), whose sum is σ = 404978. Its totient is φ = 115704.

The previous prime is 231409. The next prime is 231419. The reversal of 231412 is 214132.

It can be written as a sum of positive squares in only one way, i.e., 155236 + 76176 = 394^2 + 276^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231392 and 231401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28923 + ... + 28930.

2²³¹⁴¹² is an apocalyptic number.

It is an amenable number.

231412 is a deficient number, since it is larger than the sum of its proper divisors (173566).

231412 is a wasteful number, since it uses less digits than its factorization.

231412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57857 (or 57855 counting only the distinct ones).

The product of its digits is 48, while the sum is 13.

The square root of 231412 is about 481.0530116318. The cubic root of 231412 is about 61.3943810354.

Adding to 231412 its reverse (214132), we get a palindrome (445544).

The spelling of 231412 in words is "two hundred thirty-one thousand, four hundred twelve".