131000032345005 has 64 divisors (see below), whose sum is σ = 233925932298240. Its totient is φ = 69556142318400.

The previous prime is 131000032345001. The next prime is 131000032345019. The reversal of 131000032345005 is 500543230000131.

131000032345005 is a `hidden beast` number, since 1 + 310 + 0 + 0 + 0 + 3 + 2 + 345 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 131000032345005 - 2² = 131000032345001 is a prime.

It is a super-3 number, since 3×131000032345005³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 131000032345005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000032345001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32126184 + ... + 35973486.

It is an arithmetic number, because the mean of its divisors is an integer number (3655092692160).

Almost surely, 2^{131000032345005} is an apocalyptic number.

131000032345005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131000032345005 is a deficient number, since it is larger than the sum of its proper divisors (102925899953235).

131000032345005 is a wasteful number, since it uses less digits than its factorization.

131000032345005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848439 (or 3848433 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 131000032345005 its reverse (500543230000131), we get a palindrome (631543262345136).

The spelling of 131000032345005 in words is "one hundred thirty-one trillion, thirty-two million, three hundred forty-five thousand, five".