131202120203 has 24 divisors (see below), whose sum is σ = 164887586304. Its totient is φ = 102190944240.

The previous prime is 131202120197. The next prime is 131202120223. The reversal of 131202120203 is 302021202131.

It is not a de Polignac number, because 131202120203 - 2⁴ = 131202120187 is a prime.

It is a super-2 number, since 2×131202120203² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131202120223) 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 23 ways as a sum of consecutive naturals, for example, 1985900 + ... + 2050902.

It is an arithmetic number, because the mean of its divisors is an integer number (6870316096).

Almost surely, 2^131202120203 is an apocalyptic number.

131202120203 is a deficient number, since it is larger than the sum of its proper divisors (33685466101).

131202120203 is a wasteful number, since it uses less digits than its factorization.

131202120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67415 (or 67404 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 131202120203 its reverse (302021202131), we get a palindrome (433223322334).

The spelling of 131202120203 in words is "one hundred thirty-one billion, two hundred two million, one hundred twenty thousand, two hundred three".