131455315434403 has 8 divisors (see below), whose sum is σ = 138375074120400. Its totient is φ = 124535662535808.

The previous prime is 131455315434347. The next prime is 131455315434503. The reversal of 131455315434403 is 304434513554131.

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 131455315434403 - 2²⁹ = 131454778563491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131455315434503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23889826 + ... + 28872727.

It is an arithmetic number, because the mean of its divisors is an integer number (17296884265050).

Almost surely, 2^{131455315434403} is an apocalyptic number.

131455315434403 is a deficient number, since it is larger than the sum of its proper divisors (6919758685997).

131455315434403 is a wasteful number, since it uses less digits than its factorization.

131455315434403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52893701.

The product of its (nonzero) digits is 2592000, while the sum is 46.

Adding to 131455315434403 its reverse (304434513554131), we get a palindrome (435889828988534).

The spelling of 131455315434403 in words is "one hundred thirty-one trillion, four hundred fifty-five billion, three hundred fifteen million, four hundred thirty-four thousand, four hundred three".