131203203311 has 16 divisors (see below), whose sum is σ = 133517030400. Its totient is φ = 128902989600.

The previous prime is 131203203293. The next prime is 131203203361. The reversal of 131203203311 is 113302302131.

It is a cyclic number.

It is not a de Polignac number, because 131203203311 - 2¹⁴ = 131203186927 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 (131203203361) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 51673880 + ... + 51676418.

It is an arithmetic number, because the mean of its divisors is an integer number (8344814400).

Almost surely, 2^131203203311 is an apocalyptic number.

131203203311 is a deficient number, since it is larger than the sum of its proper divisors (2313827089).

131203203311 is a wasteful number, since it uses less digits than its factorization.

131203203311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131203203311 its reverse (113302302131), we get a palindrome (244505505442).

The spelling of 131203203311 in words is "one hundred thirty-one billion, two hundred three million, two hundred three thousand, three hundred eleven".