131502303525 has 24 divisors (see below), whose sum is σ = 217427975584. Its totient is φ = 70131067200.

The previous prime is 131502303509. The next prime is 131502303571. The reversal of 131502303525 is 525303205131.

It is not a de Polignac number, because 131502303525 - 2⁴ = 131502303509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131502303492 and 131502303501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2314710 + ... + 2370840.

Almost surely, 2^131502303525 is an apocalyptic number.

131502303525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131502303525 is a deficient number, since it is larger than the sum of its proper divisors (85925672059).

131502303525 is a wasteful number, since it uses less digits than its factorization.

131502303525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87381 (or 87376 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 131502303525 its reverse (525303205131), we get a palindrome (656805508656).

The spelling of 131502303525 in words is "one hundred thirty-one billion, five hundred two million, three hundred three thousand, five hundred twenty-five".