131580422500 has 30 divisors (see below), whose sum is σ = 287740073390. Its totient is φ = 52632168000.

The previous prime is 131580422473. The next prime is 131580422531. The reversal of 131580422500 is 5224085131.

It can be written as a sum of positive squares in 5 ways, for example, as 74187595876 + 57392826624 = 272374^2 + 239568^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26313585 + ... + 26318584.

Almost surely, 2^131580422500 is an apocalyptic number.

131580422500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131580422500 is an abundant number, since it is smaller than the sum of its proper divisors (156159650890).

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

131580422500 is an equidigital number, since it uses as much as digits as its factorization.

131580422500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52632193 (or 52632176 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 131580422500 in words is "one hundred thirty-one billion, five hundred eighty million, four hundred twenty-two thousand, five hundred".