213431314 has 16 divisors (see below), whose sum is σ = 330264576. Its totient is φ = 103395600.

The previous prime is 213431291. The next prime is 213431321. The reversal of 213431314 is 413134312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4882 + ... + 21229.

It is an arithmetic number, because the mean of its divisors is an integer number (20641536).

Almost surely, 2^213431314 is an apocalyptic number.

213431314 is a deficient number, since it is larger than the sum of its proper divisors (116833262).

213431314 is a wasteful number, since it uses less digits than its factorization.

213431314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26241.

The product of its digits is 864, while the sum is 22.

The square root of 213431314 is about 14609.2886206003. The cubic root of 213431314 is about 597.6120961700.

Adding to 213431314 its reverse (413134312), we get a palindrome (626565626).

The spelling of 213431314 in words is "two hundred thirteen million, four hundred thirty-one thousand, three hundred fourteen".