31041343 has 4 divisors (see below), whose sum is σ = 31052560. Its totient is φ = 31030128.

The previous prime is 31041317. The next prime is 31041379. The reversal of 31041343 is 34314013.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 31041343 - 2⁹ = 31040831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31041343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31021343) 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 3 ways as a sum of consecutive naturals, for example, 1846 + ... + 8092.

It is an arithmetic number, because the mean of its divisors is an integer number (7763140).

Almost surely, 2^31041343 is an apocalyptic number.

31041343 is a deficient number, since it is larger than the sum of its proper divisors (11217).

31041343 is an equidigital number, since it uses as much as digits as its factorization.

31041343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11216.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 31041343 is about 5571.4758367958. The cubic root of 31041343 is about 314.2776527743.

Adding to 31041343 its reverse (34314013), we get a palindrome (65355356).

The spelling of 31041343 in words is "thirty-one million, forty-one thousand, three hundred forty-three".