91231014344 has 16 divisors (see below), whose sum is σ = 173467422720. Its totient is φ = 44973034960.

The previous prime is 91231014341. The next prime is 91231014349. The reversal of 91231014344 is 44341013219.

It is a self number, because there is not a number n which added to its sum of digits gives 91231014344.

It is not an unprimeable number, because it can be changed into a prime (91231014341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80308424 + ... + 80309559.

It is an arithmetic number, because the mean of its divisors is an integer number (10841713920).

Almost surely, 2^91231014344 is an apocalyptic number.

It is an amenable number.

91231014344 is a deficient number, since it is larger than the sum of its proper divisors (82236408376).

91231014344 is a wasteful number, since it uses less digits than its factorization.

91231014344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160618060 (or 160618056 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 91231014344 in words is "ninety-one billion, two hundred thirty-one million, fourteen thousand, three hundred forty-four".