131371500 has 96 divisors (see below), whose sum is σ = 412042176. Its totient is φ = 32332800.

The previous prime is 131371489. The next prime is 131371507. The reversal of 131371500 is 5173131.

It is not an unprimeable number, because it can be changed into a prime (131371507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16132 + ... + 22868.

It is an arithmetic number, because the mean of its divisors is an integer number (4292106).

Almost surely, 2^131371500 is an apocalyptic number.

131371500 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 131371500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206021088).

131371500 is an abundant number, since it is smaller than the sum of its proper divisors (280670676).

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

131371500 is a wasteful number, since it uses less digits than its factorization.

131371500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772 (or 6760 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 131371500 is about 11461.7407054950. The cubic root of 131371500 is about 508.3549454814.

The spelling of 131371500 in words is "one hundred thirty-one million, three hundred seventy-one thousand, five hundred".