31341005 has 4 divisors (see below), whose sum is σ = 37609212. Its totient is φ = 25072800.

The previous prime is 31341001. The next prime is 31341041. The reversal of 31341005 is 50014313.

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 3736489 + 27604516 = 1933^2 + 5254^2 .

It is not a de Polignac number, because 31341005 - 2² = 31341001 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 (31341001) 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, 3134096 + ... + 3134105.

It is an arithmetic number, because the mean of its divisors is an integer number (9402303).

Almost surely, 2^31341005 is an apocalyptic number.

It is an amenable number.

31341005 is a deficient number, since it is larger than the sum of its proper divisors (6268207).

31341005 is an equidigital number, since it uses as much as digits as its factorization.

31341005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268206.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 31341005 is about 5598.3037609619. The cubic root of 31341005 is about 315.2857237883.

Adding to 31341005 its reverse (50014313), we get a palindrome (81355318).

The spelling of 31341005 in words is "thirty-one million, three hundred forty-one thousand, five".