331003401 has 4 divisors (see below), whose sum is σ = 441337872. Its totient is φ = 220668932.

The previous prime is 331003397. The next prime is 331003403. The reversal of 331003401 is 104300133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331003401 - 2² = 331003397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331003403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55167231 + ... + 55167236.

It is an arithmetic number, because the mean of its divisors is an integer number (110334468).

Almost surely, 2^331003401 is an apocalyptic number.

It is an amenable number.

331003401 is a deficient number, since it is larger than the sum of its proper divisors (110334471).

331003401 is a wasteful number, since it uses less digits than its factorization.

331003401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110334470.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 331003401 is about 18193.4988663533. The cubic root of 331003401 is about 691.7420108437.

Adding to 331003401 its reverse (104300133), we get a palindrome (435303534).

The spelling of 331003401 in words is "three hundred thirty-one million, three thousand, four hundred one".