10318501988 has 36 divisors (see below), whose sum is σ = 19072303740. Its totient is φ = 4883989824.

The previous prime is 10318501981. The next prime is 10318502017. The reversal of 10318501988 is 88910581301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7612213504 + 2706288484 = 87248^2 + 52022^2 .

It is not an unprimeable number, because it can be changed into a prime (10318501981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3193958 + ... + 3197186.

It is an arithmetic number, because the mean of its divisors is an integer number (529786215).

Almost surely, 2^10318501988 is an apocalyptic number.

It is an amenable number.

10318501988 is a deficient number, since it is larger than the sum of its proper divisors (8753801752).

10318501988 is a wasteful number, since it uses less digits than its factorization.

10318501988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484 (or 5463 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 44.

The spelling of 10318501988 in words is "ten billion, three hundred eighteen million, five hundred one thousand, nine hundred eighty-eight".