313214143 has 4 divisors (see below), whose sum is σ = 341688168. Its totient is φ = 284740120.

The previous prime is 313214141. The next prime is 313214147. The reversal of 313214143 is 341412313.

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

It is a cyclic number.

It is not a de Polignac number, because 313214143 - 2¹ = 313214141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313214141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14236996 + ... + 14237017.

It is an arithmetic number, because the mean of its divisors is an integer number (85422042).

Almost surely, 2^313214143 is an apocalyptic number.

313214143 is a deficient number, since it is larger than the sum of its proper divisors (28474025).

313214143 is a wasteful number, since it uses less digits than its factorization.

313214143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28474024.

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

The square root of 313214143 is about 17697.8570171645. The cubic root of 313214143 is about 679.1209395002.

Adding to 313214143 its reverse (341412313), we get a palindrome (654626456).

The spelling of 313214143 in words is "three hundred thirteen million, two hundred fourteen thousand, one hundred forty-three".