131220133311300 has 72 divisors (see below), whose sum is σ = 414178457152992. Its totient is φ = 31810941408000.

The previous prime is 131220133311259. The next prime is 131220133311317. The reversal of 131220133311300 is 3113331022131.

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, 19881835081 + ... + 19881841680.

Almost surely, 2^{131220133311300} is an apocalyptic number.

131220133311300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131220133311300 is an abundant number, since it is smaller than the sum of its proper divisors (282958323841692).

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

131220133311300 is a wasteful number, since it uses less digits than its factorization.

131220133311300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39763676789 (or 39763676782 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 131220133311300 its reverse (3113331022131), we get a palindrome (134333464333431).

The spelling of 131220133311300 in words is "one hundred thirty-one trillion, two hundred twenty billion, one hundred thirty-three million, three hundred eleven thousand, three hundred".