312000401 has 8 divisors (see below), whose sum is σ = 316641600. Its totient is φ = 307391760.

The previous prime is 312000397. The next prime is 312000433. The reversal of 312000401 is 104000213.

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 312000401 - 2² = 312000397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312000301) 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, 11516 + ... + 27506.

It is an arithmetic number, because the mean of its divisors is an integer number (39580200).

Almost surely, 2^312000401 is an apocalyptic number.

It is an amenable number.

312000401 is a deficient number, since it is larger than the sum of its proper divisors (4641199).

312000401 is a wasteful number, since it uses less digits than its factorization.

312000401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16279.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 312000401 is about 17663.5330837293. The cubic root of 312000401 is about 678.2425791745.

Adding to 312000401 its reverse (104000213), we get a palindrome (416000614).

The spelling of 312000401 in words is "three hundred twelve million, four hundred one", and thus it is an aban number.