31230441 has 20 divisors (see below), whose sum is σ = 50895504. Its totient is φ = 18927000.

The previous prime is 31230439. The next prime is 31230449. The reversal of 31230441 is 14403213.

It is not a de Polignac number, because 31230441 - 2¹ = 31230439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31230449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16635 + ... + 18416.

Almost surely, 2^31230441 is an apocalyptic number.

It is an amenable number.

31230441 is a deficient number, since it is larger than the sum of its proper divisors (19665063).

31230441 is a wasteful number, since it uses less digits than its factorization.

31230441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35074 (or 35065 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 31230441 is about 5588.4202597872. The cubic root of 31230441 is about 314.9145346369.

Adding to 31230441 its reverse (14403213), we get a palindrome (45633654).

The spelling of 31230441 in words is "thirty-one million, two hundred thirty thousand, four hundred forty-one".