99993952231 has 8 divisors (see below), whose sum is σ = 101721114864. Its totient is φ = 98281243200.

The previous prime is 99993952211. The next prime is 99993952307. The reversal of 99993952231 is 13225939999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99993952231 - 2⁵ = 99993952199 is a prime.

It is a super-2 number, since 2×99993952231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99993952231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99993952211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3599445 + ... + 3627118.

It is an arithmetic number, because the mean of its divisors is an integer number (12715139358).

Almost surely, 2^99993952231 is an apocalyptic number.

99993952231 is a deficient number, since it is larger than the sum of its proper divisors (1727162633).

99993952231 is a wasteful number, since it uses less digits than its factorization.

99993952231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226801.

The product of its digits is 10628820, while the sum is 61.

The spelling of 99993952231 in words is "ninety-nine billion, nine hundred ninety-three million, nine hundred fifty-two thousand, two hundred thirty-one".