331224413 has 16 divisors (see below), whose sum is σ = 381378816. Its totient is φ = 284947200.

The previous prime is 331224409. The next prime is 331224419. The reversal of 331224413 is 314422133.

It is not a de Polignac number, because 331224413 - 2² = 331224409 is a prime.

It is a super-2 number, since 2×331224413² = 219419223534389138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331224419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15488 + ... + 30038.

It is an arithmetic number, because the mean of its divisors is an integer number (23836176).

Almost surely, 2^331224413 is an apocalyptic number.

It is an amenable number.

331224413 is a deficient number, since it is larger than the sum of its proper divisors (50154403).

331224413 is a wasteful number, since it uses less digits than its factorization.

331224413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14684.

The product of its digits is 1728, while the sum is 23.

The square root of 331224413 is about 18199.5717806766. The cubic root of 331224413 is about 691.8959360204.

Adding to 331224413 its reverse (314422133), we get a palindrome (645646546).

The spelling of 331224413 in words is "three hundred thirty-one million, two hundred twenty-four thousand, four hundred thirteen".