313213343 has 4 divisors (see below), whose sum is σ = 315089040. Its totient is φ = 311337648.

The previous prime is 313213301. The next prime is 313213357. The reversal of 313213343 is 343312313.

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 313213343 - 2²⁶ = 246104479 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 (313273343) 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, 937598 + ... + 937931.

It is an arithmetic number, because the mean of its divisors is an integer number (78772260).

Almost surely, 2^313213343 is an apocalyptic number.

313213343 is a deficient number, since it is larger than the sum of its proper divisors (1875697).

313213343 is a wasteful number, since it uses less digits than its factorization.

313213343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875696.

The product of its digits is 1944, while the sum is 23.

The square root of 313213343 is about 17697.8344155436. The cubic root of 313213343 is about 679.1203613045.

Adding to 313213343 its reverse (343312313), we get a palindrome (656525656).

The spelling of 313213343 in words is "three hundred thirteen million, two hundred thirteen thousand, three hundred forty-three".