63031442 has 8 divisors (see below), whose sum is σ = 97807500. Its totient is φ = 30428944.

The previous prime is 63031439. The next prime is 63031489. The reversal of 63031442 is 24413036.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63027721 + 3721 = 7939^2 + 61^2 .

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

It is an unprimeable number.

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, 543317 + ... + 543432.

Almost surely, 2^63031442 is an apocalyptic number.

63031442 is a deficient number, since it is larger than the sum of its proper divisors (34776058).

63031442 is a wasteful number, since it uses less digits than its factorization.

63031442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086780.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 63031442 is about 7939.2343459555. The cubic root of 63031442 is about 397.9719052919.

Adding to 63031442 its reverse (24413036), we get a palindrome (87444478).

The spelling of 63031442 in words is "sixty-three million, thirty-one thousand, four hundred forty-two".