4031313344209 has 2 divisors, whose sum is σ = 4031313344210. Its totient is φ = 4031313344208.

The previous prime is 4031313344143. The next prime is 4031313344251. The reversal of 4031313344209 is 9024433131304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4025400195600 + 5913148609 = 2006340^2 + 76897^2 .

It is a cyclic number.

It is not a de Polignac number, because 4031313344209 - 2¹⁹ = 4031312819921 is a prime.

It is not a weakly prime, because it can be changed into another prime (4031313344269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015656672104 + 2015656672105.

It is an arithmetic number, because the mean of its divisors is an integer number (2015656672105).

Almost surely, 2^{4031313344209} is an apocalyptic number.

It is an amenable number.

4031313344209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4031313344209 is an equidigital number, since it uses as much as digits as its factorization.

4031313344209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 4031313344209 in words is "four trillion, thirty-one billion, three hundred thirteen million, three hundred forty-four thousand, two hundred nine".