131623747300 has 72 divisors (see below), whose sum is σ = 292889144520. Its totient is φ = 51312844800.

The previous prime is 131623747243. The next prime is 131623747327. The reversal of 131623747300 is 3747326131.

It can be written as a sum of positive squares in 12 ways, for example, as 52860447396 + 78763299904 = 229914^2 + 280648^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131623747300.

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, 4120992 + ... + 4152808.

It is an arithmetic number, because the mean of its divisors is an integer number (4067904785).

Almost surely, 2^131623747300 is an apocalyptic number.

131623747300 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 131623747300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146444572260).

131623747300 is an abundant number, since it is smaller than the sum of its proper divisors (161265397220).

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

131623747300 is a wasteful number, since it uses less digits than its factorization.

131623747300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32881 (or 32874 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 131623747300 in words is "one hundred thirty-one billion, six hundred twenty-three million, seven hundred forty-seven thousand, three hundred".