31341243 has 8 divisors (see below), whose sum is σ = 41814288. Its totient is φ = 20881184.

The previous prime is 31341229. The next prime is 31341253. The reversal of 31341243 is 34214313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31341243 - 2⁸ = 31340987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31341253) 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 7 ways as a sum of consecutive naturals, for example, 7105 + ... + 10637.

It is an arithmetic number, because the mean of its divisors is an integer number (5226786).

Almost surely, 2^31341243 is an apocalyptic number.

31341243 is a deficient number, since it is larger than the sum of its proper divisors (10473045).

31341243 is a wasteful number, since it uses less digits than its factorization.

31341243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493.

The product of its digits is 864, while the sum is 21.

The square root of 31341243 is about 5598.3250173601. The cubic root of 31341243 is about 315.2865218675.

Adding to 31341243 its reverse (34214313), we get a palindrome (65555556).

The spelling of 31341243 in words is "thirty-one million, three hundred forty-one thousand, two hundred forty-three".