63131122 has 4 divisors (see below), whose sum is σ = 94696686. Its totient is φ = 31565560.

The previous prime is 63131111. The next prime is 63131147. The reversal of 63131122 is 22113136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48986001 + 14145121 = 6999^2 + 3761^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63131122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15782779 + ... + 15782782.

Almost surely, 2^63131122 is an apocalyptic number.

63131122 is a deficient number, since it is larger than the sum of its proper divisors (31565564).

63131122 is a wasteful number, since it uses less digits than its factorization.

63131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31565563.

The product of its digits is 216, while the sum is 19.

The square root of 63131122 is about 7945.5095494248. The cubic root of 63131122 is about 398.1815834297.

Adding to 63131122 its reverse (22113136), we get a palindrome (85244258).

The spelling of 63131122 in words is "sixty-three million, one hundred thirty-one thousand, one hundred twenty-two".