90000199331 has 8 divisors (see below), whose sum is σ = 102859367424. Its totient is φ = 77141530440.

The previous prime is 90000199327. The next prime is 90000199397. The reversal of 90000199331 is 13399100009.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90000199331 - 2² = 90000199327 is a prime.

It is a super-2 number, since 2×90000199331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90000199291 and 90000199300.

It is not an unprimeable number, because it can be changed into a prime (90000199931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420236 + ... + 597158.

It is an arithmetic number, because the mean of its divisors is an integer number (12857420928).

Almost surely, 2^90000199331 is an apocalyptic number.

90000199331 is a deficient number, since it is larger than the sum of its proper divisors (12859168093).

90000199331 is a wasteful number, since it uses less digits than its factorization.

90000199331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249601.

The product of its (nonzero) digits is 6561, while the sum is 35.

The spelling of 90000199331 in words is "ninety billion, one hundred ninety-nine thousand, three hundred thirty-one".