131303310231111 has 4 divisors (see below), whose sum is σ = 175071080308152. Its totient is φ = 87535540154072.

The previous prime is 131303310231109. The next prime is 131303310231167. The reversal of 131303310231111 is 111132013303131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131303310231111 - 2¹ = 131303310231109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303310241111) 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, 21883885038516 + ... + 21883885038521.

It is an arithmetic number, because the mean of its divisors is an integer number (43767770077038).

Almost surely, 2^{131303310231111} is an apocalyptic number.

131303310231111 is a deficient number, since it is larger than the sum of its proper divisors (43767770077041).

131303310231111 is an equidigital number, since it uses as much as digits as its factorization.

131303310231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43767770077040.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 131303310231111 its reverse (111132013303131), we get a palindrome (242435323534242).

The spelling of 131303310231111 in words is "one hundred thirty-one trillion, three hundred three billion, three hundred ten million, two hundred thirty-one thousand, one hundred eleven".