10631390481 has 32 divisors (see below), whose sum is σ = 16041456000. Its totient is φ = 6956898624.

The previous prime is 10631390447. The next prime is 10631390509. The reversal of 10631390481 is 18409313601.

10631390481 is a `hidden beast` number, since 10 + 631 + 3 + 9 + 0 + 4 + 8 + 1 = 666.

It is not a de Polignac number, because 10631390481 - 2⁹ = 10631389969 is a prime.

It is a super-2 number, since 2×10631390481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10631390381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1124731 + ... + 1134143.

It is an arithmetic number, because the mean of its divisors is an integer number (501295500).

Almost surely, 2^10631390481 is an apocalyptic number.

It is an amenable number.

10631390481 is a deficient number, since it is larger than the sum of its proper divisors (5410065519).

10631390481 is an equidigital number, since it uses as much as digits as its factorization.

10631390481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10190 (or 10184 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 10631390481 in words is "ten billion, six hundred thirty-one million, three hundred ninety thousand, four hundred eighty-one".