63131276 has 24 divisors (see below), whose sum is σ = 120615264. Its totient is φ = 28736640.

The previous prime is 63131249. The next prime is 63131303. The reversal of 63131276 is 67213136.

63131276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63131249) and next prime (63131303).

It is an unprimeable number.

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, 4520 + ... + 12111.

It is an arithmetic number, because the mean of its divisors is an integer number (5025636).

Almost surely, 2^63131276 is an apocalyptic number.

It is an amenable number.

63131276 is a deficient number, since it is larger than the sum of its proper divisors (57483988).

63131276 is a wasteful number, since it uses less digits than its factorization.

63131276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16721 (or 16719 counting only the distinct ones).

The product of its digits is 4536, while the sum is 29.

The square root of 63131276 is about 7945.5192404273. The cubic root of 63131276 is about 398.1819071998.

The spelling of 63131276 in words is "sixty-three million, one hundred thirty-one thousand, two hundred seventy-six".