531313112 has 32 divisors (see below), whose sum is σ = 1143979200. Its totient is φ = 228794400.

The previous prime is 531313099. The next prime is 531313151. The reversal of 531313112 is 211313135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157214 + ... + 160557.

It is an arithmetic number, because the mean of its divisors is an integer number (35749350).

Almost surely, 2^531313112 is an apocalyptic number.

It is an amenable number.

531313112 is an abundant number, since it is smaller than the sum of its proper divisors (612666088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531313112 is a wasteful number, since it uses less digits than its factorization.

531313112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317807 (or 317803 counting only the distinct ones).

The product of its digits is 270, while the sum is 20.

The square root of 531313112 is about 23050.2301940783. The cubic root of 531313112 is about 809.9350209522.

Adding to 531313112 its reverse (211313135), we get a palindrome (742626247).

The spelling of 531313112 in words is "five hundred thirty-one million, three hundred thirteen thousand, one hundred twelve".