3101231 has 8 divisors (see below), whose sum is σ = 3666720. Its totient is φ = 2566368.

The previous prime is 3101207. The next prime is 3101233. The reversal of 3101231 is 1321013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3101231 - 2¹⁴ = 3084847 is a prime.

It is a super-2 number, since 2×3101231² = 19235267430722, 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 (3101233) 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 7 ways as a sum of consecutive naturals, for example, 7436 + ... + 7841.

It is an arithmetic number, because the mean of its divisors is an integer number (458340).

Almost surely, 2^3101231 is an apocalyptic number.

3101231 is a deficient number, since it is larger than the sum of its proper divisors (565489).

3101231 is a wasteful number, since it uses less digits than its factorization.

3101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15313.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 3101231 is about 1761.0312319774. The cubic root of 3101231 is about 145.8292712519.

Adding to 3101231 its reverse (1321013), we get a palindrome (4422244).

The spelling of 3101231 in words is "three million, one hundred one thousand, two hundred thirty-one".