213231314 has 4 divisors (see below), whose sum is σ = 319846974. Its totient is φ = 106615656.

The previous prime is 213231197. The next prime is 213231353. The reversal of 213231314 is 413132312.

213231314 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 143592289 + 69639025 = 11983^2 + 8345^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53307827 + ... + 53307830.

Almost surely, 2^213231314 is an apocalyptic number.

213231314 is a deficient number, since it is larger than the sum of its proper divisors (106615660).

213231314 is a wasteful number, since it uses less digits than its factorization.

213231314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106615659.

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

The square root of 213231314 is about 14602.4420560398. The cubic root of 213231314 is about 597.4253697863.

Adding to 213231314 its reverse (413132312), we get a palindrome (626363626).

The spelling of 213231314 in words is "two hundred thirteen million, two hundred thirty-one thousand, three hundred fourteen".