131202013011 has 4 divisors (see below), whose sum is σ = 174936017352. Its totient is φ = 87468008672.

The previous prime is 131202013003. The next prime is 131202013021. The reversal of 131202013011 is 110310202131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110310202131 = 3 ⋅36770067377.

It is a cyclic number.

It is not a de Polignac number, because 131202013011 - 2³ = 131202013003 is a prime.

It is a super-2 number, since 2×131202013011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131202013021) 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 3 ways as a sum of consecutive naturals, for example, 21867002166 + ... + 21867002171.

It is an arithmetic number, because the mean of its divisors is an integer number (43734004338).

Almost surely, 2^131202013011 is an apocalyptic number.

131202013011 is a deficient number, since it is larger than the sum of its proper divisors (43734004341).

131202013011 is an equidigital number, since it uses as much as digits as its factorization.

131202013011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43734004340.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131202013011 its reverse (110310202131), we get a palindrome (241512215142).

The spelling of 131202013011 in words is "one hundred thirty-one billion, two hundred two million, thirteen thousand, eleven".