131031302011 has 4 divisors (see below), whose sum is σ = 135549622800. Its totient is φ = 126512981224.

The previous prime is 131031302009. The next prime is 131031302027. The reversal of 131031302011 is 110203130131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110203130131 = 12457 ⋅8846683.

It is a cyclic number.

It is not a de Polignac number, because 131031302011 - 2¹ = 131031302009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131031302041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2259160351 + ... + 2259160408.

It is an arithmetic number, because the mean of its divisors is an integer number (33887405700).

Almost surely, 2^131031302011 is an apocalyptic number.

131031302011 is a deficient number, since it is larger than the sum of its proper divisors (4518320789).

131031302011 is an equidigital number, since it uses as much as digits as its factorization.

131031302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4518320788.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 131031302011 its reverse (110203130131), we get a palindrome (241234432142).

The spelling of 131031302011 in words is "one hundred thirty-one billion, thirty-one million, three hundred two thousand, eleven".