99741810591031 has 24 divisors (see below), whose sum is σ = 119774201487360. Its totient is φ = 82731527247600.

The previous prime is 99741810590957. The next prime is 99741810591041. The reversal of 99741810591031 is 13019501814799.

It is not a de Polignac number, because 99741810591031 - 2¹⁷ = 99741810459959 is a prime.

It is a super-2 number, since 2×99741810591031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99741810591041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33621790 + ... + 36467908.

It is an arithmetic number, because the mean of its divisors is an integer number (4990591728640).

Almost surely, 2^{99741810591031} is an apocalyptic number.

99741810591031 is a deficient number, since it is larger than the sum of its proper divisors (20032390896329).

99741810591031 is a wasteful number, since it uses less digits than its factorization.

99741810591031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869235 (or 2869228 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 58.

The spelling of 99741810591031 in words is "ninety-nine trillion, seven hundred forty-one billion, eight hundred ten million, five hundred ninety-one thousand, thirty-one".