213185330694307 has 2 divisors, whose sum is σ = 213185330694308. Its totient is φ = 213185330694306.

The previous prime is 213185330694269. The next prime is 213185330694319. The reversal of 213185330694307 is 703496033581312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213185330694307 - 2³⁵ = 213150970955939 is a prime.

It is not a weakly prime, because it can be changed into another prime (213185330194307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106592665347153 + 106592665347154.

It is an arithmetic number, because the mean of its divisors is an integer number (106592665347154).

It is a 1-persistent number, because it is pandigital, but 2⋅213185330694307 = 426370661388614 is not.

Almost surely, 2^{213185330694307} is an apocalyptic number.

213185330694307 is a deficient number, since it is larger than the sum of its proper divisors (1).

213185330694307 is an equidigital number, since it uses as much as digits as its factorization.

213185330694307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 213185330694307 in words is "two hundred thirteen trillion, one hundred eighty-five billion, three hundred thirty million, six hundred ninety-four thousand, three hundred seven".