91334323444431 has 16 divisors (see below), whose sum is σ = 122656975056000. Its totient is φ = 60450623030688.

The previous prime is 91334323444381. The next prime is 91334323444433. The reversal of 91334323444431 is 13444432343319.

It is not a de Polignac number, because 91334323444431 - 2⁷ = 91334323444303 is a prime.

It is a super-2 number, since 2×91334323444431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91334323444433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28042180 + ... + 31129286.

It is an arithmetic number, because the mean of its divisors is an integer number (7666060941000).

Almost surely, 2^{91334323444431} is an apocalyptic number.

91334323444431 is a deficient number, since it is larger than the sum of its proper divisors (31322651611569).

91334323444431 is a wasteful number, since it uses less digits than its factorization.

91334323444431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158198.

The product of its digits is 4478976, while the sum is 48.

The spelling of 91334323444431 in words is "ninety-one trillion, three hundred thirty-four billion, three hundred twenty-three million, four hundred forty-four thousand, four hundred thirty-one".