331004401 has 8 divisors (see below), whose sum is σ = 407390144. Its totient is φ = 261893520.

The previous prime is 331004389. The next prime is 331004407. The reversal of 331004401 is 104400133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331004401 - 2¹³ = 330996209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331004407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1818615 + ... + 1818796.

It is an arithmetic number, because the mean of its divisors is an integer number (50923768).

Almost surely, 2^331004401 is an apocalyptic number.

It is an amenable number.

331004401 is a deficient number, since it is larger than the sum of its proper divisors (76385743).

331004401 is a wasteful number, since it uses less digits than its factorization.

331004401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637431.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 331004401 is about 18193.5263486769. The cubic root of 331004401 is about 691.7427074541.

Adding to 331004401 its reverse (104400133), we get a palindrome (435404534).

The spelling of 331004401 in words is "three hundred thirty-one million, four thousand, four hundred one".