31252041 has 16 divisors (see below), whose sum is σ = 46396800. Its totient is φ = 20790864.

The previous prime is 31252007. The next prime is 31252043. The reversal of 31252041 is 14025213.

It is not a de Polignac number, because 31252041 - 2¹¹ = 31249993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31252043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16575 + ... + 18363.

It is an arithmetic number, because the mean of its divisors is an integer number (2899800).

Almost surely, 2^31252041 is an apocalyptic number.

It is an amenable number.

31252041 is a deficient number, since it is larger than the sum of its proper divisors (15144759).

31252041 is a wasteful number, since it uses less digits than its factorization.

31252041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 31252041 is about 5590.3524933585. The cubic root of 31252041 is about 314.9871196547.

Adding to 31252041 its reverse (14025213), we get a palindrome (45277254).

The spelling of 31252041 in words is "thirty-one million, two hundred fifty-two thousand, forty-one".