63131117 has 8 divisors (see below), whose sum is σ = 72461376. Its totient is φ = 53878752.

The previous prime is 63131111. The next prime is 63131147. The reversal of 63131117 is 71113136.

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

It is a cyclic number.

It is not a de Polignac number, because 63131117 - 2⁸ = 63130861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63131092 and 63131101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63131111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17723 + ... + 20984.

It is an arithmetic number, because the mean of its divisors is an integer number (9057672).

Almost surely, 2^63131117 is an apocalyptic number.

It is an amenable number.

63131117 is a deficient number, since it is larger than the sum of its proper divisors (9330259).

63131117 is a wasteful number, since it uses less digits than its factorization.

63131117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38947.

The product of its digits is 378, while the sum is 23.

The square root of 63131117 is about 7945.5092347816. The cubic root of 63131117 is about 398.1815729177.

The spelling of 63131117 in words is "sixty-three million, one hundred thirty-one thousand, one hundred seventeen".