Search a number
-
+
31034071 is a prime number
BaseRepresentation
bin111011001100…
…0101011010111
32011101200202001
41312120223113
530421042241
63025100131
7524533225
oct166305327
964350661
1031034071
11165773a2
12a487647
136577873
14419bb15
152ad0431
hex1d98ad7

31034071 has 2 divisors, whose sum is σ = 31034072. Its totient is φ = 31034070.

The previous prime is 31034057. The next prime is 31034077. The reversal of 31034071 is 17043013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31034071 - 25 = 31034039 is a prime.

It is a super-2 number, since 2×310340712 = 1926227125666082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31034077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15517035 + 15517036.

It is an arithmetic number, because the mean of its divisors is an integer number (15517036).

Almost surely, 231034071 is an apocalyptic number.

31034071 is a deficient number, since it is larger than the sum of its proper divisors (1).

31034071 is an equidigital number, since it uses as much as digits as its factorization.

31034071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 31034071 is about 5570.8231887218. The cubic root of 31034071 is about 314.2531091028.

Adding to 31034071 its reverse (17043013), we get a palindrome (48077084).

The spelling of 31034071 in words is "thirty-one million, thirty-four thousand, seventy-one".