312250064 has 20 divisors (see below), whose sum is σ = 691411104. Its totient is φ = 133821408.

The previous prime is 312250063. The next prime is 312250079. The reversal of 312250064 is 460052213.

It is a super-3 number, since 3×312250064³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312250063) 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 3 ways as a sum of consecutive naturals, for example, 1393862 + ... + 1394085.

Almost surely, 2^312250064 is an apocalyptic number.

It is an amenable number.

312250064 is an abundant number, since it is smaller than the sum of its proper divisors (379161040).

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

312250064 is a wasteful number, since it uses less digits than its factorization.

312250064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787962 (or 2787956 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 312250064 is about 17670.5988579901. The cubic root of 312250064 is about 678.4234410473.

The spelling of 312250064 in words is "three hundred twelve million, two hundred fifty thousand, sixty-four".