13131532315434 has 32 divisors (see below), whose sum is σ = 28283650343424. Its totient is φ = 4040421485760.

The previous prime is 13131532315403. The next prime is 13131532315441. The reversal of 13131532315434 is 43451323513131.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 13131532315392 and 13131532315401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5569767 + ... + 7568709.

It is an arithmetic number, because the mean of its divisors is an integer number (883864073232).

Almost surely, 2^{13131532315434} is an apocalyptic number.

13131532315434 is an abundant number, since it is smaller than the sum of its proper divisors (15152118027990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13131532315434 is a wasteful number, since it uses less digits than its factorization.

13131532315434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083182.

The product of its digits is 194400, while the sum is 39.

Adding to 13131532315434 its reverse (43451323513131), we get a palindrome (56582855828565).

The spelling of 13131532315434 in words is "thirteen trillion, one hundred thirty-one billion, five hundred thirty-two million, three hundred fifteen thousand, four hundred thirty-four".