99902110312031 has 4 divisors (see below), whose sum is σ = 100223338962864. Its totient is φ = 99580881661200.

The previous prime is 99902110312027. The next prime is 99902110312051. The reversal of 99902110312031 is 13021301120999.

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 99902110312031 - 2² = 99902110312027 is a prime.

It is a super-2 number, since 2×99902110312031² (a number of 29 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 99902110312031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99902110312021) 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, 160614324950 + ... + 160614325571.

It is an arithmetic number, because the mean of its divisors is an integer number (25055834740716).

Almost surely, 2^{99902110312031} is an apocalyptic number.

99902110312031 is a deficient number, since it is larger than the sum of its proper divisors (321228650833).

99902110312031 is a wasteful number, since it uses less digits than its factorization.

99902110312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321228650832.

The product of its (nonzero) digits is 26244, while the sum is 41.

The spelling of 99902110312031 in words is "ninety-nine trillion, nine hundred two billion, one hundred ten million, three hundred twelve thousand, thirty-one".