331311001 has 12 divisors (see below), whose sum is σ = 394367952. Its totient is φ = 277374888.

The previous prime is 331310983. The next prime is 331311049. The reversal of 331311001 is 100113133.

It is a happy number.

It is not a de Polignac number, because 331311001 - 2⁹ = 331310489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331311301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76515 + ... + 80728.

It is an arithmetic number, because the mean of its divisors is an integer number (32863996).

Almost surely, 2^331311001 is an apocalyptic number.

It is an amenable number.

331311001 is a deficient number, since it is larger than the sum of its proper divisors (63056951).

331311001 is a wasteful number, since it uses less digits than its factorization.

331311001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157300 (or 157293 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 331311001 is about 18201.9504724082. The cubic root of 331311001 is about 691.9562221016.

Adding to 331311001 its reverse (100113133), we get a palindrome (431424134).

The spelling of 331311001 in words is "three hundred thirty-one million, three hundred eleven thousand, one".