731212002113 has 2 divisors, whose sum is σ = 731212002114. Its totient is φ = 731212002112.

The previous prime is 731212002007. The next prime is 731212002151. The reversal of 731212002113 is 311200212137.

731212002113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 584203406224 + 147008595889 = 764332^2 + 383417^2 .

It is an emirp because it is prime and its reverse (311200212137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 731212002113 - 2¹⁴ = 731211985729 is a prime.

It is not a weakly prime, because it can be changed into another prime (731212032113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365606001056 + 365606001057.

It is an arithmetic number, because the mean of its divisors is an integer number (365606001057).

Almost surely, 2^731212002113 is an apocalyptic number.

It is an amenable number.

731212002113 is a deficient number, since it is larger than the sum of its proper divisors (1).

731212002113 is an equidigital number, since it uses as much as digits as its factorization.

731212002113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The spelling of 731212002113 in words is "seven hundred thirty-one billion, two hundred twelve million, two thousand, one hundred thirteen".