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2001130313 = 71321990443
BaseRepresentation
bin111011101000110…
…1101001101001001
312011110110221201112
41313101231031021
513044242132223
6530323100105
7100406220110
oct16721551511
95143427645
102001130313
11937649906
1247a211635
1325b7819a0
1414dab0c77
15baa37778
hex7746d349

2001130313 has 8 divisors (see below), whose sum is σ = 2462929728. Its totient is φ = 1583311824.

The previous prime is 2001130309. The next prime is 2001130357. The reversal of 2001130313 is 3130311002.

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

It is a cyclic number.

It is not a de Polignac number, because 2001130313 - 22 = 2001130309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2001130013) 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 in 7 ways as a sum of consecutive naturals, for example, 10995131 + ... + 10995312.

It is an arithmetic number, because the mean of its divisors is an integer number (307866216).

Almost surely, 22001130313 is an apocalyptic number.

It is an amenable number.

2001130313 is a deficient number, since it is larger than the sum of its proper divisors (461799415).

2001130313 is a wasteful number, since it uses less digits than its factorization.

2001130313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21990463.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 2001130313 is about 44733.9950485087. The cubic root of 2001130313 is about 1260.1583560524.

Adding to 2001130313 its reverse (3130311002), we get a palindrome (5131441315).

The spelling of 2001130313 in words is "two billion, one million, one hundred thirty thousand, three hundred thirteen".

Divisors: 1 7 13 91 21990443 153933101 285875759 2001130313