31144041 has 8 divisors (see below), whose sum is σ = 46139360. Its totient is φ = 20762676.

The previous prime is 31144039. The next prime is 31144049. The reversal of 31144041 is 14044113.

It is not a de Polignac number, because 31144041 - 2¹ = 31144039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31144049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576715 + ... + 576768.

It is an arithmetic number, because the mean of its divisors is an integer number (5767420).

Almost surely, 2^31144041 is an apocalyptic number.

It is an amenable number.

31144041 is a deficient number, since it is larger than the sum of its proper divisors (14995319).

31144041 is a wasteful number, since it uses less digits than its factorization.

31144041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153492 (or 1153486 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 31144041 is about 5580.6846354188. The cubic root of 31144041 is about 314.6238594204.

Adding to 31144041 its reverse (14044113), we get a palindrome (45188154).

The spelling of 31144041 in words is "thirty-one million, one hundred forty-four thousand, forty-one".