131200011211340 has 48 divisors (see below), whose sum is σ = 279809240223744. Its totient is φ = 51669319665600.

The previous prime is 131200011211337. The next prime is 131200011211387. The reversal of 131200011211340 is 43112110002131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196818206 + ... + 197483685.

It is an arithmetic number, because the mean of its divisors is an integer number (5829359171328).

Almost surely, 2^{131200011211340} is an apocalyptic number.

131200011211340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131200011211340 is an abundant number, since it is smaller than the sum of its proper divisors (148609229012404).

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

131200011211340 is a wasteful number, since it uses less digits than its factorization.

131200011211340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394302158 (or 394302156 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 131200011211340 its reverse (43112110002131), we get a palindrome (174312121213471).

The spelling of 131200011211340 in words is "one hundred thirty-one trillion, two hundred billion, eleven million, two hundred eleven thousand, three hundred forty".