63112331 has 4 divisors (see below), whose sum is σ = 63145992. Its totient is φ = 63078672.

The previous prime is 63112327. The next prime is 63112333. The reversal of 63112331 is 13321136.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 63112331 - 2² = 63112327 is a prime.

It is a super-2 number, since 2×63112331² = 7966332648507122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63112333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13841 + ... + 17826.

It is an arithmetic number, because the mean of its divisors is an integer number (15786498).

Almost surely, 2^63112331 is an apocalyptic number.

63112331 is a deficient number, since it is larger than the sum of its proper divisors (33661).

63112331 is a wasteful number, since it uses less digits than its factorization.

63112331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33660.

The product of its digits is 324, while the sum is 20.

The square root of 63112331 is about 7944.3269696054. The cubic root of 63112331 is about 398.1420732147.

Adding to 63112331 its reverse (13321136), we get a palindrome (76433467).

The spelling of 63112331 in words is "sixty-three million, one hundred twelve thousand, three hundred thirty-one".