131321200302 has 12 divisors (see below), whose sum is σ = 284529267360. Its totient is φ = 43773733428.

The previous prime is 131321200289. The next prime is 131321200333. The reversal of 131321200302 is 203002123131.

131321200302 is a `hidden beast` number, since 131 + 32 + 1 + 200 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7295622239 = 131321200302 / (1 + 3 + 1 + 3 + 2 + 1 + 2 + 0 + 0 + 3 + 0 + 2).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 3647811102 + ... + 3647811137.

It is an arithmetic number, because the mean of its divisors is an integer number (23710772280).

Almost surely, 2^131321200302 is an apocalyptic number.

131321200302 is an abundant number, since it is smaller than the sum of its proper divisors (153208067058).

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

131321200302 is a wasteful number, since it uses less digits than its factorization.

131321200302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7295622247 (or 7295622244 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 131321200302 its reverse (203002123131), we get a palindrome (334323323433).

The spelling of 131321200302 in words is "one hundred thirty-one billion, three hundred twenty-one million, two hundred thousand, three hundred two".