131103300300500 has 96 divisors (see below), whose sum is σ = 312402334398336. Its totient is φ = 47667400800000.

The previous prime is 131103300300407. The next prime is 131103300300527. The reversal of 131103300300500 is 5003003301131.

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, 38637515 + ... + 41893485.

It is an arithmetic number, because the mean of its divisors is an integer number (3254190983316).

Almost surely, 2^{131103300300500} is an apocalyptic number.

131103300300500 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 131103300300500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156201167199168).

131103300300500 is an abundant number, since it is smaller than the sum of its proper divisors (181299034097836).

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

131103300300500 is a wasteful number, since it uses less digits than its factorization.

131103300300500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263322 (or 3263310 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 20.

Adding to 131103300300500 its reverse (5003003301131), we get a palindrome (136106303601631).

The spelling of 131103300300500 in words is "one hundred thirty-one trillion, one hundred three billion, three hundred million, three hundred thousand, five hundred".