331310053 has 4 divisors (see below), whose sum is σ = 339390828. Its totient is φ = 323229280.

The previous prime is 331310047. The next prime is 331310071. The reversal of 331310053 is 350013133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350013133 = 1427 ⋅245279.

It can be written as a sum of positive squares in 2 ways, for example, as 167521249 + 163788804 = 12943^2 + 12798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331310053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331310053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331310033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4040326 + ... + 4040407.

It is an arithmetic number, because the mean of its divisors is an integer number (84847707).

Almost surely, 2^331310053 is an apocalyptic number.

It is an amenable number.

331310053 is a deficient number, since it is larger than the sum of its proper divisors (8080775).

331310053 is an equidigital number, since it uses as much as digits as its factorization.

331310053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8080774.

The product of its (nonzero) digits is 405, while the sum is 19.

The square root of 331310053 is about 18201.9244312243. The cubic root of 331310053 is about 691.9555621224.

Adding to 331310053 its reverse (350013133), we get a palindrome (681323186).

It can be divided in two parts, 3313 and 10053, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 331310053 in words is "three hundred thirty-one million, three hundred ten thousand, fifty-three".