312042001 has 8 divisors (see below), whose sum is σ = 333216000. Its totient is φ = 291562320.

The previous prime is 312041993. The next prime is 312042007. The reversal of 312042001 is 100240213.

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 312042001 - 2³ = 312041993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312042007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172651 + ... + 174448.

It is an arithmetic number, because the mean of its divisors is an integer number (41652000).

Almost surely, 2^312042001 is an apocalyptic number.

312042001 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

312042001 is a deficient number, since it is larger than the sum of its proper divisors (21173999).

312042001 is a wasteful number, since it uses less digits than its factorization.

312042001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347159.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 312042001 is about 17664.7106118385. The cubic root of 312042001 is about 678.2727219107.

Adding to 312042001 its reverse (100240213), we get a palindrome (412282214).

The spelling of 312042001 in words is "three hundred twelve million, forty-two thousand, one".