331424233 has 16 divisors (see below), whose sum is σ = 385315840. Its totient is φ = 279211536.

The previous prime is 331424221. The next prime is 331424257. The reversal of 331424233 is 332424133.

It is a cyclic number.

It is not a de Polignac number, because 331424233 - 2²¹ = 329327081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331424198 and 331424207.

It is not an unprimeable number, because it can be changed into a prime (331424833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98566 + ... + 101872.

It is an arithmetic number, because the mean of its divisors is an integer number (24082240).

Almost surely, 2^331424233 is an apocalyptic number.

It is an amenable number.

331424233 is a deficient number, since it is larger than the sum of its proper divisors (53891607).

331424233 is a wasteful number, since it uses less digits than its factorization.

331424233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556.

The product of its digits is 5184, while the sum is 25.

The square root of 331424233 is about 18205.0606425796. The cubic root of 331424233 is about 692.0350429702.

Adding to 331424233 its reverse (332424133), we get a palindrome (663848366).

The spelling of 331424233 in words is "three hundred thirty-one million, four hundred twenty-four thousand, two hundred thirty-three".