Search a number
-
+
1000330031 = 171929269397
BaseRepresentation
bin111011100111111…
…101001100101111
32120201022000211102
4323213331030233
54022041030111
6243132313315
733534444041
oct7347751457
92521260742
101000330031
11473729838
1223b01283b
1312c32447c
1496bd5a91
155cc4913b
hex3b9fd32f

1000330031 has 32 divisors (see below), whose sum is σ = 1160568000. Its totient is φ = 855816192.

The previous prime is 1000329991. The next prime is 1000330063. The reversal of 1000330031 is 1300330001.

It is a cyclic number.

It is not a de Polignac number, because 1000330031 - 210 = 1000329007 is a prime.

It is a super-2 number, since 2×10003300312 = 2001320341840921922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000329994 and 1000330021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000330081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2519525 + ... + 2519921.

It is an arithmetic number, because the mean of its divisors is an integer number (36267750).

Almost surely, 21000330031 is an apocalyptic number.

1000330031 is a deficient number, since it is larger than the sum of its proper divisors (160237969).

1000330031 is a wasteful number, since it uses less digits than its factorization.

1000330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 1000330031 is about 31627.9944195012. The cubic root of 1000330031 is about 1000.1099982333.

Adding to 1000330031 its reverse (1300330001), we get a palindrome (2300660032).

The spelling of 1000330031 in words is "one billion, three hundred thirty thousand, thirty-one".

Divisors: 1 17 19 29 269 323 397 493 551 4573 5111 6749 7543 7801 9367 11513 86887 106793 128231 132617 148219 195721 218747 1815481 2029067 2519723 3096997 3718699 34494139 52648949 58842943 1000330031