113540555331 has 20 divisors (see below), whose sum is σ = 193839961392. Its totient is φ = 64880317008.

The previous prime is 113540555221. The next prime is 113540555389. The reversal of 113540555331 is 133555045311.

113540555331 is a `hidden beast` number, since 1 + 1 + 35 + 40 + 5 + 553 + 31 = 666.

It is not a de Polignac number, because 113540555331 - 2²³ = 113532166723 is a prime.

It is a super-3 number, since 3×113540555331³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (113540555131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 100123380 + ... + 100124513.

Almost surely, 2^113540555331 is an apocalyptic number.

113540555331 is a deficient number, since it is larger than the sum of its proper divisors (80299406061).

113540555331 is an equidigital number, since it uses as much as digits as its factorization.

113540555331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200247912 (or 200247903 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The spelling of 113540555331 in words is "one hundred thirteen billion, five hundred forty million, five hundred fifty-five thousand, three hundred thirty-one".