213118963 has 2 divisors, whose sum is σ = 213118964. Its totient is φ = 213118962.

The previous prime is 213118949. The next prime is 213119063. The reversal of 213118963 is 369811312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213118963 - 2⁵ = 213118931 is a prime.

It is not a weakly prime, because it can be changed into another prime (213115963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106559481 + 106559482.

It is an arithmetic number, because the mean of its divisors is an integer number (106559482).

Almost surely, 2^213118963 is an apocalyptic number.

213118963 is a deficient number, since it is larger than the sum of its proper divisors (1).

213118963 is an equidigital number, since it uses as much as digits as its factorization.

213118963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 34.

The square root of 213118963 is about 14598.5945556413. The cubic root of 213118963 is about 597.3204240842.

The spelling of 213118963 in words is "two hundred thirteen million, one hundred eighteen thousand, nine hundred sixty-three".