91032303312 has 60 divisors (see below), whose sum is σ = 254934576000. Its totient is φ = 30323786304.

The previous prime is 91032303311. The next prime is 91032303319. The reversal of 91032303312 is 21330323019.

91032303312 is a `hidden beast` number, since 9 + 1 + 0 + 323 + 0 + 331 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91032303311) 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 11 ways as a sum of consecutive naturals, for example, 4993 + ... + 426719.

It is an arithmetic number, because the mean of its divisors is an integer number (4248909600).

Almost surely, 2^91032303312 is an apocalyptic number.

It is an amenable number.

91032303312 is an abundant number, since it is smaller than the sum of its proper divisors (163902272688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91032303312 is a wasteful number, since it uses less digits than its factorization.

91032303312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423240 (or 423231 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The spelling of 91032303312 in words is "ninety-one billion, thirty-two million, three hundred three thousand, three hundred twelve".