3141531 has 16 divisors (see below), whose sum is σ = 4681600. Its totient is φ = 2082024.

The previous prime is 3141503. The next prime is 3141553. The reversal of 3141531 is 1351413.

It is not a de Polignac number, because 3141531 - 2¹⁰ = 3140507 is a prime.

It is a super-2 number, since 2×3141531² = 19738434047922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3141331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8100 + ... + 8478.

It is an arithmetic number, because the mean of its divisors is an integer number (292600).

Almost surely, 2^3141531 is an apocalyptic number.

3141531 is a deficient number, since it is larger than the sum of its proper divisors (1540069).

3141531 is a wasteful number, since it uses less digits than its factorization.

3141531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 689 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 3141531 is about 1772.4364586636. The cubic root of 3141531 is about 146.4582306653.

Adding to 3141531 its reverse (1351413), we get a palindrome (4492944).

The spelling of 3141531 in words is "three million, one hundred forty-one thousand, five hundred thirty-one".