312323214 has 32 divisors (see below), whose sum is σ = 738501120. Its totient is φ = 86157792.

The previous prime is 312323191. The next prime is 312323251. The reversal of 312323214 is 412323213.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126994 + ... + 129429.

It is an arithmetic number, because the mean of its divisors is an integer number (23078160).

Almost surely, 2^312323214 is an apocalyptic number.

312323214 is an abundant number, since it is smaller than the sum of its proper divisors (426177906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312323214 is a wasteful number, since it uses less digits than its factorization.

312323214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256464.

The product of its digits is 864, while the sum is 21.

The square root of 312323214 is about 17672.6685591056. The cubic root of 312323214 is about 678.4764144017.

Adding to 312323214 its reverse (412323213), we get a palindrome (724646427).

Subtracting 312323214 from its reverse (412323213), we obtain a palindrome (99999999).

The spelling of 312323214 in words is "three hundred twelve million, three hundred twenty-three thousand, two hundred fourteen".