3131466 has 32 divisors (see below), whose sum is σ = 7103040. Its totient is φ = 912384.

The previous prime is 3131441. The next prime is 3131467. The reversal of 3131466 is 6641313.

3131466 = 41² + 42² + ... + 211².

3131466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3131467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426 + ... + 2538.

It is an arithmetic number, because the mean of its divisors is an integer number (221970).

Almost surely, 2^3131466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3131466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3551520).

3131466 is an abundant number, since it is smaller than the sum of its proper divisors (3971574).

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

3131466 is a wasteful number, since it uses less digits than its factorization.

3131466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150.

The product of its digits is 1296, while the sum is 24.

The square root of 3131466 is about 1769.5948688895. The cubic root of 3131466 is about 146.3016531698.

Adding to 3131466 its reverse (6641313), we get a palindrome (9772779).

The spelling of 3131466 in words is "three million, one hundred thirty-one thousand, four hundred sixty-six".