331313053 has 4 divisors (see below), whose sum is σ = 331354908. Its totient is φ = 331271200.

The previous prime is 331313039. The next prime is 331313071. The reversal of 331313053 is 350313133.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 246709849 + 84603204 = 15707^2 + 9198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331313053 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331313093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5026 + ... + 26227.

It is an arithmetic number, because the mean of its divisors is an integer number (82838727).

Almost surely, 2^331313053 is an apocalyptic number.

It is an amenable number.

331313053 is a deficient number, since it is larger than the sum of its proper divisors (41855).

331313053 is a wasteful number, since it uses less digits than its factorization.

331313053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41854.

The product of its (nonzero) digits is 1215, while the sum is 22.

The square root of 331313053 is about 18202.0068399064. The cubic root of 331313053 is about 691.9576506599.

Adding to 331313053 its reverse (350313133), we get a palindrome (681626186).

The spelling of 331313053 in words is "three hundred thirty-one million, three hundred thirteen thousand, fifty-three".