213123314 has 4 divisors (see below), whose sum is σ = 319684974. Its totient is φ = 106561656.

The previous prime is 213123301. The next prime is 213123319. The reversal of 213123314 is 413321312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 131492089 + 81631225 = 11467^2 + 9035^2 .

It is not an unprimeable number, because it can be changed into a prime (213123319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53280827 + ... + 53280830.

Almost surely, 2^213123314 is an apocalyptic number.

213123314 is a deficient number, since it is larger than the sum of its proper divisors (106561660).

213123314 is a wasteful number, since it uses less digits than its factorization.

213123314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106561659.

The product of its digits is 432, while the sum is 20.

The square root of 213123314 is about 14598.7435760753. The cubic root of 213123314 is about 597.3244889868.

Adding to 213123314 its reverse (413321312), we get a palindrome (626444626).

The spelling of 213123314 in words is "two hundred thirteen million, one hundred twenty-three thousand, three hundred fourteen".