3318231 has 12 divisors (see below), whose sum is σ = 5146872. Its totient is φ = 1896048.

The previous prime is 3318229. The next prime is 3318239. The reversal of 3318231 is 1328133.

It is a happy number.

It is not a de Polignac number, because 3318231 - 2¹ = 3318229 is a prime.

It is a super-2 number, since 2×3318231² = 22021313938722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3318198 and 3318207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3318239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11140 + ... + 11433.

It is an arithmetic number, because the mean of its divisors is an integer number (428906).

Almost surely, 2^3318231 is an apocalyptic number.

3318231 is a deficient number, since it is larger than the sum of its proper divisors (1828641).

3318231 is a wasteful number, since it uses less digits than its factorization.

3318231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22590 (or 22583 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 3318231 is about 1821.6012187084. The cubic root of 3318231 is about 149.1542177571.

The spelling of 3318231 in words is "three million, three hundred eighteen thousand, two hundred thirty-one".