3131274 has 8 divisors (see below), whose sum is σ = 6262560. Its totient is φ = 1043756.

The previous prime is 3131267. The next prime is 3131299. The reversal of 3131274 is 4721313.

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

3131274 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3131274.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 260934 + ... + 260945.

It is an arithmetic number, because the mean of its divisors is an integer number (782820).

Almost surely, 2^3131274 is an apocalyptic number.

3131274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3131274 is a wasteful number, since it uses less digits than its factorization.

3131274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521884.

The product of its digits is 504, while the sum is 21.

The square root of 3131274 is about 1769.5406183527. The cubic root of 3131274 is about 146.2986630376.

Subtracting from 3131274 its sum of digits (21), we obtain a triangular number (3131253 = T₂₅₀₂).

Adding to 3131274 its reverse (4721313), we get a palindrome (7852587).

The spelling of 3131274 in words is "three million, one hundred thirty-one thousand, two hundred seventy-four".