96831387481 has 4 divisors (see below), whose sum is σ = 96862536100. Its totient is φ = 96800238864.

The previous prime is 96831387451. The next prime is 96831387491. The reversal of 96831387481 is 18478313869.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18478313869 = 1277 ⋅14470097.

It can be written as a sum of positive squares in 2 ways, for example, as 18845798400 + 77985589081 = 137280^2 + 279259^2 .

It is a cyclic number.

It is not a de Polignac number, because 96831387481 - 2⁵ = 96831387449 is a prime.

It is a super-2 number, since 2×96831387481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96831387431) 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, 15569646 + ... + 15575863.

It is an arithmetic number, because the mean of its divisors is an integer number (24215634025).

Almost surely, 2^96831387481 is an apocalyptic number.

It is an amenable number.

96831387481 is a deficient number, since it is larger than the sum of its proper divisors (31148619).

96831387481 is a wasteful number, since it uses less digits than its factorization.

96831387481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31148618.

The product of its digits is 6967296, while the sum is 58.

The spelling of 96831387481 in words is "ninety-six billion, eight hundred thirty-one million, three hundred eighty-seven thousand, four hundred eighty-one".