201312332001 has 36 divisors (see below), whose sum is σ = 333519286464. Its totient is φ = 116702786640.

The previous prime is 201312331999. The next prime is 201312332003. The reversal of 201312332001 is 100233213102.

201312332001 is a `hidden beast` number, since 20 + 1 + 312 + 332 + 0 + 0 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (201312331999) and next prime (201312332003).

It is not a de Polignac number, because 201312332001 - 2¹ = 201312331999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201312332003) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3993645 + ... + 4043738.

It is an arithmetic number, because the mean of its divisors is an integer number (9264424624).

Almost surely, 2^201312332001 is an apocalyptic number.

It is an amenable number.

201312332001 is a deficient number, since it is larger than the sum of its proper divisors (132206954463).

201312332001 is a wasteful number, since it uses less digits than its factorization.

201312332001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8037434 (or 8037420 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201312332001 its reverse (100233213102), we get a palindrome (301545545103).

The spelling of 201312332001 in words is "two hundred one billion, three hundred twelve million, three hundred thirty-two thousand, one".