3181230 has 48 divisors (see below), whose sum is σ = 8910720. Its totient is φ = 782784.

The previous prime is 3181229. The next prime is 3181237. The reversal of 3181230 is 321813.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3181237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190 + ... + 2529.

It is an arithmetic number, because the mean of its divisors is an integer number (185640).

Almost surely, 2^3181230 is an apocalyptic number.

3181230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3181230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4455360).

3181230 is an abundant number, since it is smaller than the sum of its proper divisors (5729490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3181230 is a wasteful number, since it uses less digits than its factorization.

3181230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745 (or 2742 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 3181230 is about 1783.6002915452. The cubic root of 3181230 is about 147.0725728007.

The spelling of 3181230 in words is "three million, one hundred eighty-one thousand, two hundred thirty".