3131606452207 has 2 divisors, whose sum is σ = 3131606452208. Its totient is φ = 3131606452206.

The previous prime is 3131606452189. The next prime is 3131606452243. The reversal of 3131606452207 is 7022546061313.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7022546061313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3131606452207 - 2²³ = 3131598063599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3131606452207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131606752207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565803226103 + 1565803226104.

It is an arithmetic number, because the mean of its divisors is an integer number (1565803226104).

Almost surely, 2^{3131606452207} is an apocalyptic number.

3131606452207 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131606452207 is an equidigital number, since it uses as much as digits as its factorization.

3131606452207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 3131606452207 in words is "three trillion, one hundred thirty-one billion, six hundred six million, four hundred fifty-two thousand, two hundred seven".