313522214 has 4 divisors (see below), whose sum is σ = 470283324. Its totient is φ = 156761106.

The previous prime is 313522163. The next prime is 313522217. The reversal of 313522214 is 412225313.

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

It is a self number, because there is not a number n which added to its sum of digits gives 313522214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313522217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78380552 + ... + 78380555.

It is an arithmetic number, because the mean of its divisors is an integer number (117570831).

Almost surely, 2^313522214 is an apocalyptic number.

313522214 is a deficient number, since it is larger than the sum of its proper divisors (156761110).

313522214 is a wasteful number, since it uses less digits than its factorization.

313522214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156761109.

The product of its digits is 1440, while the sum is 23.

The square root of 313522214 is about 17706.5585024307. The cubic root of 313522214 is about 679.3435230106.

Adding to 313522214 its reverse (412225313), we get a palindrome (725747527).

The spelling of 313522214 in words is "three hundred thirteen million, five hundred twenty-two thousand, two hundred fourteen".