63320231 has 8 divisors (see below), whose sum is σ = 68259744. Its totient is φ = 58390560.

The previous prime is 63320183. The next prime is 63320237. The reversal of 63320231 is 13202336.

63320231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63320231 - 2¹⁴ = 63303847 is a prime.

It is a super-2 number, since 2×63320231² = 8018903307786722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63320237) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16190 + ... + 19716.

It is an arithmetic number, because the mean of its divisors is an integer number (8532468).

Almost surely, 2^63320231 is an apocalyptic number.

63320231 is a deficient number, since it is larger than the sum of its proper divisors (4939513).

63320231 is a wasteful number, since it uses less digits than its factorization.

63320231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 63320231 is about 7957.4010204337. The cubic root of 63320231 is about 398.5787708332.

Adding to 63320231 its reverse (13202336), we get a palindrome (76522567).

The spelling of 63320231 in words is "sixty-three million, three hundred twenty thousand, two hundred thirty-one".