313430405 has 16 divisors (see below), whose sum is σ = 391910400. Its totient is φ = 240340800.

The previous prime is 313430401. The next prime is 313430413. The reversal of 313430405 is 504034313.

It is not a de Polignac number, because 313430405 - 2² = 313430401 is a prime.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 12380 + ... + 27930.

It is an arithmetic number, because the mean of its divisors is an integer number (24494400).

Almost surely, 2^313430405 is an apocalyptic number.

It is an amenable number.

313430405 is a deficient number, since it is larger than the sum of its proper divisors (78479995).

313430405 is a wasteful number, since it uses less digits than its factorization.

313430405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15724.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 313430405 is about 17703.9657986565. The cubic root of 313430405 is about 679.2772056062.

Adding to 313430405 its reverse (504034313), we get a palindrome (817464718).

The spelling of 313430405 in words is "three hundred thirteen million, four hundred thirty thousand, four hundred five".