131532500000 has 192 divisors, whose sum is σ = 353192845824. Its totient is φ = 47820000000.

The previous prime is 131532499979. The next prime is 131532500023. The reversal of 131532500000 is 5235131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27497609 + ... + 27502391.

It is an arithmetic number, because the mean of its divisors is an integer number (1839546072).

Almost surely, 2^131532500000 is an apocalyptic number.

131532500000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131532500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176596422912).

131532500000 is an abundant number, since it is smaller than the sum of its proper divisors (221660345824).

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

131532500000 is an frugal number, since it uses more digits than its factorization.

131532500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839 (or 4801 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 131532500000 its reverse (5235131), we get a palindrome (131537735131).

The spelling of 131532500000 in words is "one hundred thirty-one billion, five hundred thirty-two million, five hundred thousand".