131201420208 has 20 divisors (see below), whose sum is σ = 338937002328. Its totient is φ = 43733806720.

The previous prime is 131201420201. The next prime is 131201420221. The reversal of 131201420208 is 802024102131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (131201420201) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1366681413 + ... + 1366681508.

Almost surely, 2^131201420208 is an apocalyptic number.

It is an amenable number.

131201420208 is an abundant number, since it is smaller than the sum of its proper divisors (207735582120).

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

131201420208 is a wasteful number, since it uses less digits than its factorization.

131201420208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733362932 (or 2733362926 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 131201420208 its reverse (802024102131), we get a palindrome (933225522339).

The spelling of 131201420208 in words is "one hundred thirty-one billion, two hundred one million, four hundred twenty thousand, two hundred eight".