531233012 has 24 divisors (see below), whose sum is σ = 939906240. Its totient is φ = 262704960.

The previous prime is 531232997. The next prime is 531233039. The reversal of 531233012 is 210332135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139064 + ... + 142832.

It is an arithmetic number, because the mean of its divisors is an integer number (39162760).

Almost surely, 2^531233012 is an apocalyptic number.

It is an amenable number.

531233012 is a deficient number, since it is larger than the sum of its proper divisors (408673228).

531233012 is a wasteful number, since it uses less digits than its factorization.

531233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151 (or 4149 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 531233012 is about 23048.4926188243. The cubic root of 531233012 is about 809.8943173606.

Adding to 531233012 its reverse (210332135), we get a palindrome (741565147).

The spelling of 531233012 in words is "five hundred thirty-one million, two hundred thirty-three thousand, twelve".