91230421031224 has 32 divisors (see below), whose sum is σ = 172627508394000. Its totient is φ = 45196424312832.

The previous prime is 91230421031213. The next prime is 91230421031249. The reversal of 91230421031224 is 42213012403219.

It is a self number, because there is not a number n which added to its sum of digits gives 91230421031224.

It is a congruent number.

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, 196045207 + ... + 196510009.

Almost surely, 2^{91230421031224} is an apocalyptic number.

It is an amenable number.

91230421031224 is a deficient number, since it is larger than the sum of its proper divisors (81397087362776).

91230421031224 is a wasteful number, since it uses less digits than its factorization.

91230421031224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690007 (or 690003 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 91230421031224 in words is "ninety-one trillion, two hundred thirty billion, four hundred twenty-one million, thirty-one thousand, two hundred twenty-four".