63315230051 has 32 divisors (see below), whose sum is σ = 68958086400. Its totient is φ = 57947287680.

The previous prime is 63315230039. The next prime is 63315230057. The reversal of 63315230051 is 15003251336.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63315230051 is a prime.

It is a super-2 number, since 2×63315230051² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63315229996 and 63315230023.

It is not an unprimeable number, because it can be changed into a prime (63315230057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17217425 + ... + 17221101.

It is an arithmetic number, because the mean of its divisors is an integer number (2154940200).

Almost surely, 2^63315230051 is an apocalyptic number.

63315230051 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

63315230051 is a deficient number, since it is larger than the sum of its proper divisors (5642856349).

63315230051 is a wasteful number, since it uses less digits than its factorization.

63315230051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 63315230051 its reverse (15003251336), we get a palindrome (78318481387).

The spelling of 63315230051 in words is "sixty-three billion, three hundred fifteen million, two hundred thirty thousand, fifty-one".