91310111101319 has 4 divisors (see below), whose sum is σ = 99611030292360. Its totient is φ = 83009191910280.

The previous prime is 91310111101273. The next prime is 91310111101327.

It is a happy number.

91310111101319 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91310111101319 - 2⁴⁰ = 90210599473543 is a prime.

It is a super-2 number, since 2×91310111101319² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91310111101219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4150459595504 + ... + 4150459595525.

It is an arithmetic number, because the mean of its divisors is an integer number (24902757573090).

Almost surely, 2^{91310111101319} is an apocalyptic number.

91310111101319 is a deficient number, since it is larger than the sum of its proper divisors (8300919191041).

91310111101319 is a wasteful number, since it uses less digits than its factorization.

91310111101319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8300919191040.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 91310111101319 in words is "ninety-one trillion, three hundred ten billion, one hundred eleven million, one hundred one thousand, three hundred nineteen".