331244001 has 24 divisors (see below), whose sum is σ = 522984384. Its totient is φ = 200360160.

The previous prime is 331243987. The next prime is 331244009. The reversal of 331244001 is 100442133.

It is not a de Polignac number, because 331244001 - 2¹³ = 331235809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331244009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52140 + ... + 58146.

It is an arithmetic number, because the mean of its divisors is an integer number (21791016).

Almost surely, 2^331244001 is an apocalyptic number.

It is an amenable number.

331244001 is a deficient number, since it is larger than the sum of its proper divisors (191740383).

331244001 is a wasteful number, since it uses less digits than its factorization.

331244001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581 (or 6578 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 331244001 is about 18200.1099172505. The cubic root of 331244001 is about 691.9095749008.

Adding to 331244001 its reverse (100442133), we get a palindrome (431686134).

The spelling of 331244001 in words is "three hundred thirty-one million, two hundred forty-four thousand, one".