331132001 has 16 divisors (see below), whose sum is σ = 357291648. Its totient is φ = 305760000.

The previous prime is 331131953. The next prime is 331132033. The reversal of 331132001 is 100231133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331132001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (331132051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302411 + ... + 303503.

It is an arithmetic number, because the mean of its divisors is an integer number (22330728).

Almost surely, 2^331132001 is an apocalyptic number.

It is an amenable number.

331132001 is a deficient number, since it is larger than the sum of its proper divisors (26159647).

331132001 is a wasteful number, since it uses less digits than its factorization.

331132001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 331132001 is about 18197.0327526221. The cubic root of 331132001 is about 691.8315834425.

Adding to 331132001 its reverse (100231133), we get a palindrome (431363134).

The spelling of 331132001 in words is "three hundred thirty-one million, one hundred thirty-two thousand, one".