313040343 has 16 divisors (see below), whose sum is σ = 520379136. Its totient is φ = 162618240.

The previous prime is 313040341. The next prime is 313040369. The reversal of 313040343 is 343040313.

It is not a de Polignac number, because 313040343 - 2¹ = 313040341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313040341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677346 + ... + 677807.

It is an arithmetic number, because the mean of its divisors is an integer number (32523696).

Almost surely, 2^313040343 is an apocalyptic number.

313040343 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

313040343 is a deficient number, since it is larger than the sum of its proper divisors (207338793).

313040343 is a wasteful number, since it uses less digits than its factorization.

313040343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355174.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 313040343 is about 17692.9461368083. The cubic root of 313040343 is about 678.9953033498.

Adding to 313040343 its reverse (343040313), we get a palindrome (656080656).

The spelling of 313040343 in words is "three hundred thirteen million, forty thousand, three hundred forty-three".