99433331 has 2 divisors, whose sum is σ = 99433332. Its totient is φ = 99433330.

The previous prime is 99433291. The next prime is 99433343. The reversal of 99433331 is 13333499.

It is a strong prime.

It is an emirp because it is prime and its reverse (13333499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99433331 - 2⁶ = 99433267 is a prime.

It is a super-2 number, since 2×99433331² = 19773974627511122, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 99433291 and 99433300.

It is not a weakly prime, because it can be changed into another prime (99433351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49716665 + 49716666.

It is an arithmetic number, because the mean of its divisors is an integer number (49716666).

Almost surely, 2^99433331 is an apocalyptic number.

99433331 is a deficient number, since it is larger than the sum of its proper divisors (1).

99433331 is an equidigital number, since it uses as much as digits as its factorization.

99433331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 35.

The square root of 99433331 is about 9971.6262966479. The cubic root of 99433331 is about 463.2804738736.

The spelling of 99433331 in words is "ninety-nine million, four hundred thirty-three thousand, three hundred thirty-one".