99956331 has 6 divisors (see below), whose sum is σ = 144381380. Its totient is φ = 66637548.

The previous prime is 99956317. The next prime is 99956341. The reversal of 99956331 is 13365999.

99956331 is a `hidden beast` number, since 9 + 9 + 9 + 5 + 633 + 1 = 666.

It is not a de Polignac number, because 99956331 - 2⁵ = 99956299 is a prime.

It is a super-2 number, since 2×99956331² = 19982536213963122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99956341) 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 5 ways as a sum of consecutive naturals, for example, 5553121 + ... + 5553138.

Almost surely, 2^99956331 is an apocalyptic number.

99956331 is a deficient number, since it is larger than the sum of its proper divisors (44425049).

99956331 is a wasteful number, since it uses less digits than its factorization.

99956331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106265 (or 11106262 counting only the distinct ones).

The product of its digits is 196830, while the sum is 45.

The square root of 99956331 is about 9997.8163115752. The cubic root of 99956331 is about 464.0913090097.

The spelling of 99956331 in words is "ninety-nine million, nine hundred fifty-six thousand, three hundred thirty-one".