312404343 has 8 divisors (see below), whose sum is σ = 416884608. Its totient is φ = 208096824.

The previous prime is 312404321. The next prime is 312404381. The reversal of 312404343 is 343404213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312404343 - 2¹² = 312400247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312404383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38905 + ... + 46242.

It is an arithmetic number, because the mean of its divisors is an integer number (52110576).

Almost surely, 2^312404343 is an apocalyptic number.

312404343 is a deficient number, since it is larger than the sum of its proper divisors (104480265).

312404343 is a wasteful number, since it uses less digits than its factorization.

312404343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86373.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 312404343 is about 17674.9637340505. The cubic root of 312404343 is about 678.5351562703.

Adding to 312404343 its reverse (343404213), we get a palindrome (655808556).

The spelling of 312404343 in words is "three hundred twelve million, four hundred four thousand, three hundred forty-three".