313432405 has 32 divisors (see below), whose sum is σ = 443721600. Its totient is φ = 209537280.

The previous prime is 313432403. The next prime is 313432423. The reversal of 313432405 is 504234313.

It is not a de Polignac number, because 313432405 - 2¹ = 313432403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313432405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313432403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201571 + ... + 203119.

It is an arithmetic number, because the mean of its divisors is an integer number (13866300).

Almost surely, 2^313432405 is an apocalyptic number.

It is an amenable number.

313432405 is a deficient number, since it is larger than the sum of its proper divisors (130289195).

313432405 is a wasteful number, since it uses less digits than its factorization.

313432405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 313432405 is about 17704.0222830858. The cubic root of 313432405 is about 679.2786504261.

Adding to 313432405 its reverse (504234313), we get a palindrome (817666718).

The spelling of 313432405 in words is "three hundred thirteen million, four hundred thirty-two thousand, four hundred five".