63323031313 has 2 divisors, whose sum is σ = 63323031314. Its totient is φ = 63323031312.

The previous prime is 63323031311. The next prime is 63323031319. The reversal of 63323031313 is 31313032336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37648417024 + 25674614289 = 194032^2 + 160233^2 .

It is a cyclic number.

It is not a de Polignac number, because 63323031313 - 2¹ = 63323031311 is a prime.

Together with 63323031311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63323031311) 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 as a sum of consecutive naturals, namely, 31661515656 + 31661515657.

It is an arithmetic number, because the mean of its divisors is an integer number (31661515657).

Almost surely, 2^63323031313 is an apocalyptic number.

It is an amenable number.

63323031313 is a deficient number, since it is larger than the sum of its proper divisors (1).

63323031313 is an equidigital number, since it uses as much as digits as its factorization.

63323031313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 63323031313 its reverse (31313032336), we get a palindrome (94636063649).

The spelling of 63323031313 in words is "sixty-three billion, three hundred twenty-three million, thirty-one thousand, three hundred thirteen".