131021232102200 has 96 divisors (see below), whose sum is σ = 332343893808000. Its totient is φ = 47640298723200.

The previous prime is 131021232102179. The next prime is 131021232102289. The reversal of 131021232102200 is 2201232120131.

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 23 ways as a sum of consecutive naturals, for example, 25402061 + ... + 30121539.

It is an arithmetic number, because the mean of its divisors is an integer number (3461915560500).

Almost surely, 2^{131021232102200} is an apocalyptic number.

131021232102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131021232102200 is an abundant number, since it is smaller than the sum of its proper divisors (201322661705800).

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

131021232102200 is a wasteful number, since it uses less digits than its factorization.

131021232102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732125 (or 4732116 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131021232102200 its reverse (2201232120131), we get a palindrome (133222464222331).

The spelling of 131021232102200 in words is "one hundred thirty-one trillion, twenty-one billion, two hundred thirty-two million, one hundred two thousand, two hundred".