63131242 has 8 divisors (see below), whose sum is σ = 94896000. Its totient is φ = 31499244.

The previous prime is 63131147. The next prime is 63131249. The reversal of 63131242 is 24213136.

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

It is not an unprimeable number, because it can be changed into a prime (63131249) 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, 31992 + ... + 33907.

It is an arithmetic number, because the mean of its divisors is an integer number (11862000).

Almost surely, 2^63131242 is an apocalyptic number.

63131242 is a deficient number, since it is larger than the sum of its proper divisors (31764758).

63131242 is a wasteful number, since it uses less digits than its factorization.

63131242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66380.

The product of its digits is 864, while the sum is 22.

The square root of 63131242 is about 7945.5171008563. The cubic root of 63131242 is about 398.1818357182.

Adding to 63131242 its reverse (24213136), we get a palindrome (87344378).

The spelling of 63131242 in words is "sixty-three million, one hundred thirty-one thousand, two hundred forty-two".