99044898031 has 4 divisors (see below), whose sum is σ = 100065979552. Its totient is φ = 98023816512.

The previous prime is 99044898023. The next prime is 99044898059. The reversal of 99044898031 is 13089844099.

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 99044898031 - 2³ = 99044898023 is a prime.

It is a super-2 number, since 2×99044898031² (a number of 23 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 (99044898731) 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, 510540615 + ... + 510540808.

It is an arithmetic number, because the mean of its divisors is an integer number (25016494888).

Almost surely, 2^99044898031 is an apocalyptic number.

99044898031 is a deficient number, since it is larger than the sum of its proper divisors (1021081521).

99044898031 is a wasteful number, since it uses less digits than its factorization.

99044898031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021081520.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 99044898031 in words is "ninety-nine billion, forty-four million, eight hundred ninety-eight thousand, thirty-one".