131103404545 has 8 divisors (see below), whose sum is σ = 157350138624. Its totient is φ = 104865354864.

The previous prime is 131103404501. The next prime is 131103404581. The reversal of 131103404545 is 545404301131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131103404545 - 2²⁵ = 131069850113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2137839 + ... + 2198308.

It is an arithmetic number, because the mean of its divisors is an integer number (19668767328).

Almost surely, 2^131103404545 is an apocalyptic number.

It is an amenable number.

131103404545 is a deficient number, since it is larger than the sum of its proper divisors (26246734079).

131103404545 is an equidigital number, since it uses as much as digits as its factorization.

131103404545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342199.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 131103404545 its reverse (545404301131), we get a palindrome (676507705676).

The spelling of 131103404545 in words is "one hundred thirty-one billion, one hundred three million, four hundred four thousand, five hundred forty-five".