213003120079 has 2 divisors, whose sum is σ = 213003120080. Its totient is φ = 213003120078.

The previous prime is 213003119869. The next prime is 213003120097. The reversal of 213003120079 is 970021300312.

Together with next prime (213003120097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213003120079 - 2¹⁷ = 213002989007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213003120179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106501560039 + 106501560040.

It is an arithmetic number, because the mean of its divisors is an integer number (106501560040).

Almost surely, 2^213003120079 is an apocalyptic number.

213003120079 is a deficient number, since it is larger than the sum of its proper divisors (1).

213003120079 is an equidigital number, since it uses as much as digits as its factorization.

213003120079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The spelling of 213003120079 in words is "two hundred thirteen billion, three million, one hundred twenty thousand, seventy-nine".