99993024202231 has 4 divisors (see below), whose sum is σ = 99995553085864. Its totient is φ = 99990495318600.

The previous prime is 99993024202217. The next prime is 99993024202241. The reversal of 99993024202231 is 13220242039999.

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

It is a cyclic number.

It is not a de Polignac number, because 99993024202231 - 2²¹ = 99993022105079 is a prime.

It is a super-2 number, since 2×99993024202231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99993024202241) 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, 1264382505 + ... + 1264461586.

It is an arithmetic number, because the mean of its divisors is an integer number (24998888271466).

Almost surely, 2^{99993024202231} is an apocalyptic number.

99993024202231 is a deficient number, since it is larger than the sum of its proper divisors (2528883633).

99993024202231 is a wasteful number, since it uses less digits than its factorization.

99993024202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528883632.

The product of its (nonzero) digits is 3779136, while the sum is 55.

The spelling of 99993024202231 in words is "ninety-nine trillion, nine hundred ninety-three billion, twenty-four million, two hundred two thousand, two hundred thirty-one".