312363220 has 48 divisors (see below), whose sum is σ = 707857920. Its totient is φ = 115099776.

The previous prime is 312363209. The next prime is 312363229. The reversal of 312363220 is 22363213.

It is a junction number, because it is equal to n+sod(n) for n = 312363191 and 312363200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312363229) 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, 176701 + ... + 178459.

It is an arithmetic number, because the mean of its divisors is an integer number (14747040).

Almost surely, 2^312363220 is an apocalyptic number.

It is an amenable number.

312363220 is an abundant number, since it is smaller than the sum of its proper divisors (395494700).

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

312363220 is a wasteful number, since it uses less digits than its factorization.

312363220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 312363220 is about 17673.8003836187. The cubic root of 312363220 is about 678.5053822224.

The spelling of 312363220 in words is "three hundred twelve million, three hundred sixty-three thousand, two hundred twenty".