312242207 has 8 divisors (see below), whose sum is σ = 319333440. Its totient is φ = 305229600.

The previous prime is 312242201. The next prime is 312242209. The reversal of 312242207 is 702242213.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 312242207 - 2⁴ = 312242191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312242201) 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, 11588 + ... + 27545.

It is an arithmetic number, because the mean of its divisors is an integer number (39916680).

Almost surely, 2^312242207 is an apocalyptic number.

312242207 is a deficient number, since it is larger than the sum of its proper divisors (7091233).

312242207 is a wasteful number, since it uses less digits than its factorization.

312242207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39313.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 312242207 is about 17670.3765381499. The cubic root of 312242207 is about 678.4177507173.

The spelling of 312242207 in words is "three hundred twelve million, two hundred forty-two thousand, two hundred seven".