131201203241420 has 48 divisors (see below), whose sum is σ = 296720618009088. Its totient is φ = 48442859861760.

The previous prime is 131201203241369. The next prime is 131201203241489. The reversal of 131201203241420 is 24142302102131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 131201203241420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15844790 + ... + 22659650.

It is an arithmetic number, because the mean of its divisors is an integer number (6181679541856).

Almost surely, 2^{131201203241420} is an apocalyptic number.

131201203241420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131201203241420 is an abundant number, since it is smaller than the sum of its proper divisors (165519414767668).

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

131201203241420 is a wasteful number, since it uses less digits than its factorization.

131201203241420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6888930 (or 6888928 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131201203241420 its reverse (24142302102131), we get a palindrome (155343505343551).

The spelling of 131201203241420 in words is "one hundred thirty-one trillion, two hundred one billion, two hundred three million, two hundred forty-one thousand, four hundred twenty".