313430403 has 32 divisors (see below), whose sum is σ = 516821760. Its totient is φ = 166112640.

The previous prime is 313430401. The next prime is 313430413. The reversal of 313430403 is 304034313.

It is not a de Polignac number, because 313430403 - 2¹ = 313430401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313430403.

It is not an unprimeable number, because it can be changed into a prime (313430401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11076 + ... + 27377.

It is an arithmetic number, because the mean of its divisors is an integer number (16150680).

Almost surely, 2^313430403 is an apocalyptic number.

313430403 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

313430403 is a deficient number, since it is larger than the sum of its proper divisors (203391357).

313430403 is a wasteful number, since it uses less digits than its factorization.

313430403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38499.

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

The square root of 313430403 is about 17703.9657421720. The cubic root of 313430403 is about 679.2772041613.

Adding to 313430403 its reverse (304034313), we get a palindrome (617464716).

The spelling of 313430403 in words is "three hundred thirteen million, four hundred thirty thousand, four hundred three".