53310331 has 2 divisors, whose sum is σ = 53310332. Its totient is φ = 53310330.

The previous prime is 53310329. The next prime is 53310337. The reversal of 53310331 is 13301335.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53310331 - 2¹ = 53310329 is a prime.

It is a super-2 number, since 2×53310331² = 5683982782659122, which contains 22 as substring.

Together with 53310329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 53310299 and 53310308.

It is not a weakly prime, because it can be changed into another prime (53310337) by changing a digit.

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 as a sum of consecutive naturals, namely, 26655165 + 26655166.

It is an arithmetic number, because the mean of its divisors is an integer number (26655166).

Almost surely, 2^53310331 is an apocalyptic number.

53310331 is a deficient number, since it is larger than the sum of its proper divisors (1).

53310331 is an equidigital number, since it uses as much as digits as its factorization.

53310331 is an odious number, because the sum of its binary digits is odd.

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

The square root of 53310331 is about 7301.3924014533. The cubic root of 53310331 is about 376.3602887097.

Adding to 53310331 its reverse (13301335), we get a palindrome (66611666).

The spelling of 53310331 in words is "fifty-three million, three hundred ten thousand, three hundred thirty-one".