131303111001131 has 4 divisors (see below), whose sum is σ = 131307835351992. Its totient is φ = 131298386650272.

The previous prime is 131303111001121. The next prime is 131303111001137. The reversal of 131303111001131 is 131100111303131.

It is a happy number.

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 131303111001131 - 2⁶ = 131303111001067 is a prime.

It is a super-2 number, since 2×131303111001131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303111001137) 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, 2362133741 + ... + 2362189326.

It is an arithmetic number, because the mean of its divisors is an integer number (32826958837998).

Almost surely, 2^{131303111001131} is an apocalyptic number.

131303111001131 is a deficient number, since it is larger than the sum of its proper divisors (4724350861).

131303111001131 is an equidigital number, since it uses as much as digits as its factorization.

131303111001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4724350860.

The product of its (nonzero) digits is 81, while the sum is 20.

Adding to 131303111001131 its reverse (131100111303131), we get a palindrome (262403222304262).

The spelling of 131303111001131 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred eleven million, one thousand, one hundred thirty-one".