Search a number
-
+
31334713 = 53593997
BaseRepresentation
bin111011110001…
…0000100111001
32011221222010221
41313202010321
531010202323
63035340041
7530224564
oct167420471
964858127
1031334713
1116762263
12a5b1621
136651667
1442394db
152b3e55d
hex1de2139

31334713 has 8 divisors (see below), whose sum is σ = 32011848. Its totient is φ = 30660864.

The previous prime is 31334687. The next prime is 31334729. The reversal of 31334713 is 31743313.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15077689 + 16257024 = 3883^2 + 4032^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31334713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31334773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30931 + ... + 31927.

It is an arithmetic number, because the mean of its divisors is an integer number (4001481).

Almost surely, 231334713 is an apocalyptic number.

It is an amenable number.

31334713 is a deficient number, since it is larger than the sum of its proper divisors (677135).

31334713 is an equidigital number, since it uses as much as digits as its factorization.

31334713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643.

The product of its digits is 2268, while the sum is 25.

The square root of 31334713 is about 5597.7417768239. The cubic root of 31334713 is about 315.2646235232.

The spelling of 31334713 in words is "thirty-one million, three hundred thirty-four thousand, seven hundred thirteen".

Divisors: 1 53 593 997 31429 52841 591221 31334713