131103532354501 has 12 divisors (see below), whose sum is σ = 152508419454540. Its totient is φ = 112374287746560.

The previous prime is 131103532354433. The next prime is 131103532354511. The reversal of 131103532354501 is 105453235301131.

It can be written as a sum of positive squares in 2 ways, for example, as 101339153560225 + 29764378794276 = 10066735^2 + 5455674^2 .

It is not a de Polignac number, because 131103532354501 - 2⁷ = 131103532354373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103532354511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39786661 + ... + 42955621.

It is an arithmetic number, because the mean of its divisors is an integer number (12709034954545).

Almost surely, 2^{131103532354501} is an apocalyptic number.

It is an amenable number.

131103532354501 is a deficient number, since it is larger than the sum of its proper divisors (21404887100039).

131103532354501 is an equidigital number, since it uses as much as digits as its factorization.

131103532354501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013284 (or 4013277 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

Adding to 131103532354501 its reverse (105453235301131), we get a palindrome (236556767655632).

The spelling of 131103532354501 in words is "one hundred thirty-one trillion, one hundred three billion, five hundred thirty-two million, three hundred fifty-four thousand, five hundred one".