131520232532 has 48 divisors (see below), whose sum is σ = 250217472960. Its totient is φ = 60486008544.

The previous prime is 131520232531. The next prime is 131520232541. The reversal of 131520232532 is 235232025131.

It is a super-2 number, since 2×131520232532² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131520232495 and 131520232504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131520232531) by changing a digit.

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, 2460563 + ... + 2513445.

It is an arithmetic number, because the mean of its divisors is an integer number (5212864020).

Almost surely, 2^131520232532 is an apocalyptic number.

It is an amenable number.

131520232532 is a deficient number, since it is larger than the sum of its proper divisors (118697240428).

131520232532 is a wasteful number, since it uses less digits than its factorization.

131520232532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53209 (or 53181 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 131520232532 its reverse (235232025131), we get a palindrome (366752257663).

The spelling of 131520232532 in words is "one hundred thirty-one billion, five hundred twenty million, two hundred thirty-two thousand, five hundred thirty-two".