99231471 has 12 divisors (see below), whose sum is σ = 150878520. Its totient is φ = 62672400.

The previous prime is 99231469. The next prime is 99231481. The reversal of 99231471 is 17413299.

It is not a de Polignac number, because 99231471 - 2¹ = 99231469 is a prime.

It is a super-3 number, since 3×99231471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99231421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289980 + ... + 290321.

It is an arithmetic number, because the mean of its divisors is an integer number (12573210).

Almost surely, 2^99231471 is an apocalyptic number.

99231471 is a deficient number, since it is larger than the sum of its proper divisors (51647049).

99231471 is a wasteful number, since it uses less digits than its factorization.

99231471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580326 (or 580323 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 99231471 is about 9961.4994353260. The cubic root of 99231471 is about 462.9667589767.

The spelling of 99231471 in words is "ninety-nine million, two hundred thirty-one thousand, four hundred seventy-one".