213011719 has 2 divisors, whose sum is σ = 213011720. Its totient is φ = 213011718.

The previous prime is 213011713. The next prime is 213011731. The reversal of 213011719 is 917110312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213011719 - 2¹⁵ = 212978951 is a prime.

It is a super-2 number, since 2×213011719² = 90747984862669922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213011693 and 213011702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213011713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106505859 + 106505860.

It is an arithmetic number, because the mean of its divisors is an integer number (106505860).

Almost surely, 2^213011719 is an apocalyptic number.

213011719 is a deficient number, since it is larger than the sum of its proper divisors (1).

213011719 is an equidigital number, since it uses as much as digits as its factorization.

213011719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 213011719 is about 14594.9210001288. The cubic root of 213011719 is about 597.2202143566.

The spelling of 213011719 in words is "two hundred thirteen million, eleven thousand, seven hundred nineteen".