313243443 has 40 divisors (see below), whose sum is σ = 505963920. Its totient is φ = 192456000.

The previous prime is 313243423. The next prime is 313243501. The reversal of 313243443 is 344342313.

313243443 is a `hidden beast` number, since 313 + 2 + 4 + 344 + 3 = 666.

It is not a de Polignac number, because 313243443 - 2¹⁴ = 313227059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (313243423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 54193 + ... + 59693.

It is an arithmetic number, because the mean of its divisors is an integer number (12649098).

Almost surely, 2^313243443 is an apocalyptic number.

313243443 is a deficient number, since it is larger than the sum of its proper divisors (192720477).

313243443 is a wasteful number, since it uses less digits than its factorization.

313243443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5569 (or 5560 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 313243443 is about 17698.6847816441. The cubic root of 313243443 is about 679.1421152395.

Adding to 313243443 its reverse (344342313), we get a palindrome (657585756).

The spelling of 313243443 in words is "three hundred thirteen million, two hundred forty-three thousand, four hundred forty-three".