131302320202 has 8 divisors (see below), whose sum is σ = 196955040996. Its totient is φ = 65650639872.

The previous prime is 131302320187. The next prime is 131302320217. The reversal of 131302320202 is 202023203131.

131302320202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (131302320187) and next prime (131302320217).

It can be written as a sum of positive squares in 2 ways, for example, as 130690203121 + 612117081 = 361511^2 + 24741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 131302320202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278128 + ... + 583060.

Almost surely, 2^131302320202 is an apocalyptic number.

131302320202 is a deficient number, since it is larger than the sum of its proper divisors (65652720794).

131302320202 is a wasteful number, since it uses less digits than its factorization.

131302320202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520232.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 131302320202 its reverse (202023203131), we get a palindrome (333325523333).

It can be divided in two parts, 13130 and 2320202, that added together give a palindrome (2333332).

The spelling of 131302320202 in words is "one hundred thirty-one billion, three hundred two million, three hundred twenty thousand, two hundred two".