131120031210203 has 16 divisors (see below), whose sum is σ = 150606120000000. Its totient is φ = 111822618612672.

The previous prime is 131120031210173. The next prime is 131120031210293. The reversal of 131120031210203 is 302012130021131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131120031210203 - 2¹⁰ = 131120031209179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131120031210293) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 142321943 + ... + 143240271.

It is an arithmetic number, because the mean of its divisors is an integer number (9412882500000).

Almost surely, 2^{131120031210203} is an apocalyptic number.

131120031210203 is a deficient number, since it is larger than the sum of its proper divisors (19486088789797).

131120031210203 is a wasteful number, since it uses less digits than its factorization.

131120031210203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021034.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131120031210203 its reverse (302012130021131), we get a palindrome (433132161231334).

The spelling of 131120031210203 in words is "one hundred thirty-one trillion, one hundred twenty billion, thirty-one million, two hundred ten thousand, two hundred three".