91312203332 has 24 divisors (see below), whose sum is σ = 182648558400. Its totient is φ = 39128626080.

The previous prime is 91312203289. The next prime is 91312203347. The reversal of 91312203332 is 23330221319.

It is a junction number, because it is equal to n+sod(n) for n = 91312203295 and 91312203304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3782 + ... + 427362.

It is an arithmetic number, because the mean of its divisors is an integer number (7610356600).

Almost surely, 2^91312203332 is an apocalyptic number.

It is an amenable number.

91312203332 is an abundant number, since it is smaller than the sum of its proper divisors (91336355068).

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

91312203332 is a wasteful number, since it uses less digits than its factorization.

91312203332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431291 (or 431289 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 91312203332 in words is "ninety-one billion, three hundred twelve million, two hundred three thousand, three hundred thirty-two".