131441309009 has 2 divisors, whose sum is σ = 131441309010. Its totient is φ = 131441309008.

The previous prime is 131441308993. The next prime is 131441309039. The reversal of 131441309009 is 900903144131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81854926609 + 49586382400 = 286103^2 + 222680^2 .

It is an emirp because it is prime and its reverse (900903144131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131441309009 - 2⁴ = 131441308993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131441309009.

It is not a weakly prime, because it can be changed into another prime (131441309039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65720654504 + 65720654505.

It is an arithmetic number, because the mean of its divisors is an integer number (65720654505).

Almost surely, 2^131441309009 is an apocalyptic number.

It is an amenable number.

131441309009 is a deficient number, since it is larger than the sum of its proper divisors (1).

131441309009 is an equidigital number, since it uses as much as digits as its factorization.

131441309009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 131441309009 in words is "one hundred thirty-one billion, four hundred forty-one million, three hundred nine thousand, nine".