131511525343 has 16 divisors (see below), whose sum is σ = 151982784000. Its totient is φ = 112466620800.

The previous prime is 131511525289. The next prime is 131511525359. The reversal of 131511525343 is 343525115131.

It is a cyclic number.

It is not a de Polignac number, because 131511525343 - 2²⁹ = 130974654431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131511525299 and 131511525308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131511523343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197908 + ... + 549718.

It is an arithmetic number, because the mean of its divisors is an integer number (9498924000).

Almost surely, 2^131511525343 is an apocalyptic number.

131511525343 is a deficient number, since it is larger than the sum of its proper divisors (20471258657).

131511525343 is a wasteful number, since it uses less digits than its factorization.

131511525343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353838.

The product of its digits is 27000, while the sum is 34.

The spelling of 131511525343 in words is "one hundred thirty-one billion, five hundred eleven million, five hundred twenty-five thousand, three hundred forty-three".