531031214 has 16 divisors (see below), whose sum is σ = 918693600. Its totient is φ = 225496224.

The previous prime is 531031187. The next prime is 531031219. The reversal of 531031214 is 412130135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531031219) 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, 172469 + ... + 175520.

It is an arithmetic number, because the mean of its divisors is an integer number (57418350).

Almost surely, 2^531031214 is an apocalyptic number.

531031214 is a deficient number, since it is larger than the sum of its proper divisors (387662386).

531031214 is a wasteful number, since it uses less digits than its factorization.

531031214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348107.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 531031214 is about 23044.1145197640. The cubic root of 531031214 is about 809.7917536088.

Adding to 531031214 its reverse (412130135), we get a palindrome (943161349).

The spelling of 531031214 in words is "five hundred thirty-one million, thirty-one thousand, two hundred fourteen".