731316112 has 20 divisors (see below), whose sum is σ = 1429467660. Its totient is φ = 362421248.

The previous prime is 731316097. The next prime is 731316121. The reversal of 731316112 is 211613137.

It can be written as a sum of positive squares in 2 ways, for example, as 98089216 + 633226896 = 9904^2 + 25164^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200437 + ... + 204052.

It is an arithmetic number, because the mean of its divisors is an integer number (71473383).

Almost surely, 2^731316112 is an apocalyptic number.

It is an amenable number.

731316112 is a deficient number, since it is larger than the sum of its proper divisors (698151548).

731316112 is a wasteful number, since it uses less digits than its factorization.

731316112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404610 (or 404604 counting only the distinct ones).

The product of its digits is 756, while the sum is 25.

The square root of 731316112 is about 27042.8569496642. The cubic root of 731316112 is about 900.9521248864.

Adding to 731316112 its reverse (211613137), we get a palindrome (942929249).

The spelling of 731316112 in words is "seven hundred thirty-one million, three hundred sixteen thousand, one hundred twelve".