331433223 has 16 divisors (see below), whose sum is σ = 482412672. Its totient is φ = 200732000.

The previous prime is 331433177. The next prime is 331433231. The reversal of 331433223 is 322334133.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 331433223 - 2⁹ = 331432711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331433193 and 331433202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331433023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68308 + ... + 72998.

It is an arithmetic number, because the mean of its divisors is an integer number (30150792).

Almost surely, 2^331433223 is an apocalyptic number.

331433223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

331433223 is a deficient number, since it is larger than the sum of its proper divisors (150979449).

331433223 is a wasteful number, since it uses less digits than its factorization.

331433223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6846.

The product of its digits is 3888, while the sum is 24.

The square root of 331433223 is about 18205.3075502723. The cubic root of 331433223 is about 692.0413001457.

Adding to 331433223 its reverse (322334133), we get a palindrome (653767356).

The spelling of 331433223 in words is "three hundred thirty-one million, four hundred thirty-three thousand, two hundred twenty-three".