31714393 has 2 divisors, whose sum is σ = 31714394. Its totient is φ = 31714392.

The previous prime is 31714369. The next prime is 31714399. The reversal of 31714393 is 39341713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23941449 + 7772944 = 4893^2 + 2788^2 .

It is a cyclic number.

It is not a de Polignac number, because 31714393 - 2⁹ = 31713881 is a prime.

It is not a weakly prime, because it can be changed into another prime (31714399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15857196 + 15857197.

It is an arithmetic number, because the mean of its divisors is an integer number (15857197).

Almost surely, 2^31714393 is an apocalyptic number.

It is an amenable number.

31714393 is a deficient number, since it is larger than the sum of its proper divisors (1).

31714393 is an equidigital number, since it uses as much as digits as its factorization.

31714393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 31.

The square root of 31714393 is about 5631.5533381120. The cubic root of 31714393 is about 316.5328595652.

The spelling of 31714393 in words is "thirty-one million, seven hundred fourteen thousand, three hundred ninety-three".