131302112021303 has 4 divisors (see below), whose sum is σ = 131303408562240. Its totient is φ = 131300815480368.

The previous prime is 131302112021299. The next prime is 131302112021363. The reversal of 131302112021303 is 303120211203131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131302112021303 - 2² = 131302112021299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131302112021363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648118550 + ... + 648321107.

It is an arithmetic number, because the mean of its divisors is an integer number (32825852140560).

Almost surely, 2^{131302112021303} is an apocalyptic number.

131302112021303 is a deficient number, since it is larger than the sum of its proper divisors (1296540937).

131302112021303 is a wasteful number, since it uses less digits than its factorization.

131302112021303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296540936.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 131302112021303 its reverse (303120211203131), we get a palindrome (434422323224434).

The spelling of 131302112021303 in words is "one hundred thirty-one trillion, three hundred two billion, one hundred twelve million, twenty-one thousand, three hundred three".