Search a number
-
+
31341371 is a prime number
BaseRepresentation
bin111011110001…
…1101100111011
32011222022021112
41313203230323
531010410441
63035430535
7530253155
oct167435473
964868245
1031341371
1116767266
12a5b544b
1366546b9
14423bad5
152b414eb
hex1de3b3b

31341371 has 2 divisors, whose sum is σ = 31341372. Its totient is φ = 31341370.

The previous prime is 31341361. The next prime is 31341377. The reversal of 31341371 is 17314313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31341371 - 218 = 31079227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (31341377) 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 as a sum of consecutive naturals, namely, 15670685 + 15670686.

It is an arithmetic number, because the mean of its divisors is an integer number (15670686).

Almost surely, 231341371 is an apocalyptic number.

31341371 is a deficient number, since it is larger than the sum of its proper divisors (1).

31341371 is an equidigital number, since it uses as much as digits as its factorization.

31341371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 23.

The square root of 31341371 is about 5598.3364493392. The cubic root of 31341371 is about 315.2869510849.

Adding to 31341371 its reverse (17314313), we get a palindrome (48655684).

The spelling of 31341371 in words is "thirty-one million, three hundred forty-one thousand, three hundred seventy-one".