63131498331 has 8 divisors (see below), whose sum is σ = 91827633984. Its totient is φ = 38261514120.

The previous prime is 63131498327. The next prime is 63131498359. The reversal of 63131498331 is 13389413136.

It is a happy number.

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

It is not a de Polignac number, because 63131498331 - 2² = 63131498327 is a prime.

It is a super-2 number, since 2×63131498331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63131498831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956537821 + ... + 956537886.

It is an arithmetic number, because the mean of its divisors is an integer number (11478454248).

Almost surely, 2^63131498331 is an apocalyptic number.

63131498331 is a deficient number, since it is larger than the sum of its proper divisors (28696135653).

63131498331 is a wasteful number, since it uses less digits than its factorization.

63131498331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913075721.

The product of its digits is 139968, while the sum is 42.

The spelling of 63131498331 in words is "sixty-three billion, one hundred thirty-one million, four hundred ninety-eight thousand, three hundred thirty-one".