31112441 has 2 divisors, whose sum is σ = 31112442. Its totient is φ = 31112440.

The previous prime is 31112401. The next prime is 31112453. The reversal of 31112441 is 14421113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29474041 + 1638400 = 5429^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 31112441 - 2¹⁴ = 31096057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31112401) 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 as a sum of consecutive naturals, namely, 15556220 + 15556221.

It is an arithmetic number, because the mean of its divisors is an integer number (15556221).

Almost surely, 2^31112441 is an apocalyptic number.

It is an amenable number.

31112441 is a deficient number, since it is larger than the sum of its proper divisors (1).

31112441 is an equidigital number, since it uses as much as digits as its factorization.

31112441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 17.

The square root of 31112441 is about 5577.8527230467. The cubic root of 31112441 is about 314.5174133921.

Adding to 31112441 its reverse (14421113), we get a palindrome (45533554).

The spelling of 31112441 in words is "thirty-one million, one hundred twelve thousand, four hundred forty-one".