63311117 has 4 divisors (see below), whose sum is σ = 63327516. Its totient is φ = 63294720.

The previous prime is 63311099. The next prime is 63311123. The reversal of 63311117 is 71111336.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18541636 + 44769481 = 4306^2 + 6691^2 .

It is a cyclic number.

It is not a de Polignac number, because 63311117 - 2¹² = 63307021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63311092 and 63311101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63311137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133 + ... + 11309.

It is an arithmetic number, because the mean of its divisors is an integer number (15831879).

Almost surely, 2^63311117 is an apocalyptic number.

It is an amenable number.

63311117 is a deficient number, since it is larger than the sum of its proper divisors (16399).

63311117 is a wasteful number, since it uses less digits than its factorization.

63311117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16398.

The product of its digits is 378, while the sum is 23.

The square root of 63311117 is about 7956.8283254071. The cubic root of 63311117 is about 398.5596467651.

The spelling of 63311117 in words is "sixty-three million, three hundred eleven thousand, one hundred seventeen".