63631000322 has 18 divisors (see below), whose sum is σ = 96404691747. Its totient is φ = 31499251924.

The previous prime is 63631000319. The next prime is 63631000331. The reversal of 63631000322 is 22300013636.

It can be written as a sum of positive squares in only one way, i.e., 31815500161 + 31815500161 = 178369^2 + 178369^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=178369.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63631000291 and 63631000300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 38170133 + ... + 38171799.

Almost surely, 2^63631000322 is an apocalyptic number.

63631000322 is a deficient number, since it is larger than the sum of its proper divisors (32773691425).

63631000322 is an frugal number, since it uses more digits than its factorization.

63631000322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 63631000322 its reverse (22300013636), we get a palindrome (85931013958).

The spelling of 63631000322 in words is "sixty-three billion, six hundred thirty-one million, three hundred twenty-two", and thus it is an aban number.