63130971 has 8 divisors (see below), whose sum is σ = 84213520. Its totient is φ = 42067872.

The previous prime is 63130961. The next prime is 63130981. The reversal of 63130971 is 17903136.

It is an interprime number because it is at equal distance from previous prime (63130961) and next prime (63130981).

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

It is not a de Polignac number, because 63130971 - 2¹³ = 63122779 is a prime.

It is the 7946-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63130931) by changing a digit.

It is a nontrivial repunit in base 7945.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6525 + ... + 12993.

It is an arithmetic number, because the mean of its divisors is an integer number (10526690).

Almost surely, 2^63130971 is an apocalyptic number.

63130971 is a deficient number, since it is larger than the sum of its proper divisors (21082549).

63130971 is a wasteful number, since it uses less digits than its factorization.

63130971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9725.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 63130971 is about 7945.5000471965. The cubic root of 63130971 is about 398.1812659663.

The spelling of 63130971 in words is "sixty-three million, one hundred thirty thousand, nine hundred seventy-one".