213130079 has 2 divisors, whose sum is σ = 213130080. Its totient is φ = 213130078.

The previous prime is 213130069. The next prime is 213130103. The reversal of 213130079 is 970031312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213130079 - 2⁴ = 213130063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213130069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106565039 + 106565040.

It is an arithmetic number, because the mean of its divisors is an integer number (106565040).

Almost surely, 2^213130079 is an apocalyptic number.

213130079 is a deficient number, since it is larger than the sum of its proper divisors (1).

213130079 is an equidigital number, since it uses as much as digits as its factorization.

213130079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 213130079 is about 14598.9752722580. The cubic root of 213130079 is about 597.3308090484.

The spelling of 213130079 in words is "two hundred thirteen million, one hundred thirty thousand, seventy-nine".