31163314 has 48 divisors (see below), whose sum is σ = 59668056. Its totient is φ = 12096000.

The previous prime is 31163299. The next prime is 31163317. The reversal of 31163314 is 41336113.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22724289 + 8439025 = 4767^2 + 2905^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31163317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77514 + ... + 77914.

It is a self-describing number.

Almost surely, 2^31163314 is an apocalyptic number.

31163314 is a deficient number, since it is larger than the sum of its proper divisors (28504742).

31163314 is a wasteful number, since it uses less digits than its factorization.

31163314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 484 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 31163314 is about 5582.4111278192. The cubic root of 31163314 is about 314.6887460468.

Adding to 31163314 its reverse (41336113), we get a palindrome (72499427).

The spelling of 31163314 in words is "thirty-one million, one hundred sixty-three thousand, three hundred fourteen".