31343341 has 4 divisors (see below), whose sum is σ = 31433500. Its totient is φ = 31253184.

The previous prime is 31343269. The next prime is 31343399. The reversal of 31343341 is 14334313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26481316 + 4862025 = 5146^2 + 2205^2 .

It is a cyclic number.

It is not a de Polignac number, because 31343341 - 2¹¹ = 31341293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44556 + ... + 45253.

It is an arithmetic number, because the mean of its divisors is an integer number (7858375).

Almost surely, 2^31343341 is an apocalyptic number.

It is an amenable number.

31343341 is a deficient number, since it is larger than the sum of its proper divisors (90159).

31343341 is an equidigital number, since it uses as much as digits as its factorization.

31343341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90158.

The product of its digits is 1296, while the sum is 22.

The square root of 31343341 is about 5598.5123916984. The cubic root of 31343341 is about 315.2935568614.

Adding to 31343341 its reverse (14334313), we get a palindrome (45677654).

Subtracting from 31343341 its reverse (14334313), we obtain a triangular number (17009028 = T₅₈₃₂).

It can be divided in two parts, 31343 and 341, that added together give a square (31684 = 178²).

The spelling of 31343341 in words is "thirty-one million, three hundred forty-three thousand, three hundred forty-one".