331802001 has 20 divisors (see below), whose sum is σ = 496165824. Its totient is φ = 220973400.

The previous prime is 331801969. The next prime is 331802047. The reversal of 331802001 is 100208133.

It is not a de Polignac number, because 331802001 - 2⁵ = 331801969 is a prime.

It is a super-2 number, since 2×331802001² = 220185135735208002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (331802201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 121036 + ... + 123746.

Almost surely, 2^331802001 is an apocalyptic number.

It is an amenable number.

331802001 is a deficient number, since it is larger than the sum of its proper divisors (164363823).

331802001 is a wasteful number, since it uses less digits than its factorization.

331802001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234 (or 4225 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 331802001 is about 18215.4330445367. The cubic root of 331802001 is about 692.2978777327.

The spelling of 331802001 in words is "three hundred thirty-one million, eight hundred two thousand, one".