2113330431349 has 2 divisors, whose sum is σ = 2113330431350. Its totient is φ = 2113330431348.

The previous prime is 2113330431337. The next prime is 2113330431371. The reversal of 2113330431349 is 9431340333112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2070772804324 + 42557627025 = 1439018^2 + 206295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113330431349 - 2⁹ = 2113330430837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113330431449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056665215674 + 1056665215675.

It is an arithmetic number, because the mean of its divisors is an integer number (1056665215675).

Almost surely, 2^{2113330431349} is an apocalyptic number.

It is an amenable number.

2113330431349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113330431349 is an equidigital number, since it uses as much as digits as its factorization.

2113330431349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 37.

The spelling of 2113330431349 in words is "two trillion, one hundred thirteen billion, three hundred thirty million, four hundred thirty-one thousand, three hundred forty-nine".