99113431199 has 4 divisors (see below), whose sum is σ = 99189615000. Its totient is φ = 99037247400.

The previous prime is 99113431177. The next prime is 99113431253.

It is a happy number.

99113431199 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99113431199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99113436199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38089949 + ... + 38092550.

It is an arithmetic number, because the mean of its divisors is an integer number (24797403750).

Almost surely, 2^99113431199 is an apocalyptic number.

99113431199 is a deficient number, since it is larger than the sum of its proper divisors (76183801).

99113431199 is a wasteful number, since it uses less digits than its factorization.

99113431199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76183800.

The product of its digits is 236196, while the sum is 50.

The spelling of 99113431199 in words is "ninety-nine billion, one hundred thirteen million, four hundred thirty-one thousand, one hundred ninety-nine".