99988031306 has 16 divisors (see below), whose sum is σ = 150806390784. Its totient is φ = 49719686544.

The previous prime is 99988031281. The next prime is 99988031309. The reversal of 99988031306 is 60313088999.

It is not an unprimeable number, because it can be changed into a prime (99988031309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332231 + ... + 557093.

It is an arithmetic number, because the mean of its divisors is an integer number (9425399424).

Almost surely, 2^99988031306 is an apocalyptic number.

99988031306 is a deficient number, since it is larger than the sum of its proper divisors (50818359478).

99988031306 is a wasteful number, since it uses less digits than its factorization.

99988031306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226085.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The spelling of 99988031306 in words is "ninety-nine billion, nine hundred eighty-eight million, thirty-one thousand, three hundred six".