312308412 has 24 divisors (see below), whose sum is σ = 784775376. Its totient is φ = 96094848.

The previous prime is 312308401. The next prime is 312308419. The reversal of 312308412 is 214803213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312308419) 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, 1000833 + ... + 1001144.

It is an arithmetic number, because the mean of its divisors is an integer number (32698974).

Almost surely, 2^312308412 is an apocalyptic number.

It is an amenable number.

312308412 is an abundant number, since it is smaller than the sum of its proper divisors (472466964).

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

312308412 is a wasteful number, since it uses less digits than its factorization.

312308412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001997 (or 2001995 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 312308412 is about 17672.2497718881. The cubic root of 312308412 is about 678.4656958404.

The spelling of 312308412 in words is "three hundred twelve million, three hundred eight thousand, four hundred twelve".