31341113 has 2 divisors, whose sum is σ = 31341114. Its totient is φ = 31341112.

The previous prime is 31341091. The next prime is 31341137. The reversal of 31341113 is 31114313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24720784 + 6620329 = 4972^2 + 2573^2 .

It is a cyclic number.

It is not a de Polignac number, because 31341113 - 2⁸ = 31340857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31341091 and 31341100.

It is not a weakly prime, because it can be changed into another prime (31341173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15670556 + 15670557.

It is an arithmetic number, because the mean of its divisors is an integer number (15670557).

Almost surely, 2^31341113 is an apocalyptic number.

It is an amenable number.

31341113 is a deficient number, since it is larger than the sum of its proper divisors (1).

31341113 is an equidigital number, since it uses as much as digits as its factorization.

31341113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 17.

The square root of 31341113 is about 5598.3134067324. The cubic root of 31341113 is about 315.2860859424.

Adding to 31341113 its reverse (31114313), we get a palindrome (62455426).

The spelling of 31341113 in words is "thirty-one million, three hundred forty-one thousand, one hundred thirteen".