3261231 has 12 divisors (see below), whose sum is σ = 4863040. Its totient is φ = 2103840.

The previous prime is 3261221. The next prime is 3261241. The reversal of 3261231 is 1321623.

It is an interprime number because it is at equal distance from previous prime (3261221) and next prime (3261241).

It is not a de Polignac number, because 3261231 - 2¹⁰ = 3260207 is a prime.

It is a super-2 number, since 2×3261231² = 21271255270722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261211) 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, 5566 + ... + 6123.

Almost surely, 2^3261231 is an apocalyptic number.

3261231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3261231 is a deficient number, since it is larger than the sum of its proper divisors (1601809).

3261231 is a wasteful number, since it uses less digits than its factorization.

3261231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11726 (or 11723 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 3261231 is about 1805.8878702732. The cubic root of 3261231 is about 148.2952318361.

Adding to 3261231 its reverse (1321623), we get a palindrome (4582854).

The spelling of 3261231 in words is "three million, two hundred sixty-one thousand, two hundred thirty-one".