312343405 has 16 divisors (see below), whose sum is σ = 410688000. Its totient is φ = 226157760.

The previous prime is 312343399. The next prime is 312343411. The reversal of 312343405 is 504343213.

It is an interprime number because it is at equal distance from previous prime (312343399) and next prime (312343411).

It is not a de Polignac number, because 312343405 - 2⁵ = 312343373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312343405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196 + ... + 24994.

It is an arithmetic number, because the mean of its divisors is an integer number (25668000).

Almost surely, 2^312343405 is an apocalyptic number.

It is an amenable number.

312343405 is a deficient number, since it is larger than the sum of its proper divisors (98344595).

312343405 is a wasteful number, since it uses less digits than its factorization.

312343405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25044.

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

The square root of 312343405 is about 17673.2397991992. The cubic root of 312343405 is about 678.4910347496.

Adding to 312343405 its reverse (504343213), we get a palindrome (816686618).

The spelling of 312343405 in words is "three hundred twelve million, three hundred forty-three thousand, four hundred five".