99309142107 has 48 divisors (see below), whose sum is σ = 172632096000. Its totient is φ = 53741143872.

The previous prime is 99309142087. The next prime is 99309142139. The reversal of 99309142107 is 70124190399.

It is not a de Polignac number, because 99309142107 - 2⁸ = 99309141851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99309140107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3503869 + ... + 3532097.

It is an arithmetic number, because the mean of its divisors is an integer number (3596502000).

Almost surely, 2^99309142107 is an apocalyptic number.

99309142107 is a deficient number, since it is larger than the sum of its proper divisors (73322953893).

99309142107 is a wasteful number, since it uses less digits than its factorization.

99309142107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31200 (or 31197 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 99309142107 in words is "ninety-nine billion, three hundred nine million, one hundred forty-two thousand, one hundred seven".