312642001 has 6 divisors (see below), whose sum is σ = 363685650. Its totient is φ = 267978816.

The previous prime is 312641969. The next prime is 312642007. The reversal of 312642001 is 100246213.

It can be written as a sum of positive squares in only one way, i.e., 278723025 + 33918976 = 16695^2 + 5824^2 .

It is not a de Polignac number, because 312642001 - 2⁵ = 312641969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312642001.

It is not an unprimeable number, because it can be changed into a prime (312642007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3190176 + ... + 3190273.

It is an arithmetic number, because the mean of its divisors is an integer number (60614275).

Almost surely, 2^312642001 is an apocalyptic number.

It is an amenable number.

312642001 is a deficient number, since it is larger than the sum of its proper divisors (51043649).

312642001 is an equidigital number, since it uses as much as digits as its factorization.

312642001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380463 (or 6380456 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 312642001 is about 17681.6854683031. The cubic root of 312642001 is about 678.7071752547.

Adding to 312642001 its reverse (100246213), we get a palindrome (412888214).

The spelling of 312642001 in words is "three hundred twelve million, six hundred forty-two thousand, one".