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213112343211313 = 71316991378395457
BaseRepresentation
bin110000011101001100010101…
…100000111010110100110001
31000221120100012121201000212011
4300131030111200322310301
5210413113034330230223
62033130243043002521
762613600350532430
oct6035142540726461
91027510177630764
10213112343211313
11619a4489a08527
121ba9a724669441
1391bb53ba38760
143a8a99a109117
15199881b3c880d
hexc1d31583ad31

213112343211313 has 16 divisors (see below), whose sum is σ = 262446495203200. Its totient is φ = 168517114868736.

The previous prime is 213112343211307. The next prime is 213112343211329. The reversal of 213112343211313 is 313112343211312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213112343211313 - 225 = 213112309656881 is a prime.

It is a super-2 number, since 2×2131123432113132 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213112343211343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689043120 + ... + 689352337.

It is an arithmetic number, because the mean of its divisors is an integer number (16402905950200).

Almost surely, 2213112343211313 is an apocalyptic number.

It is an amenable number.

213112343211313 is a deficient number, since it is larger than the sum of its proper divisors (49334151991887).

213112343211313 is a wasteful number, since it uses less digits than its factorization.

213112343211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378397176.

The product of its digits is 7776, while the sum is 31.

Adding to 213112343211313 its reverse (313112343211312), we get a palindrome (526224686422625).

Subtracting 213112343211313 from its reverse (313112343211312), we obtain a palindrome (99999999999999).

The spelling of 213112343211313 in words is "two hundred thirteen trillion, one hundred twelve billion, three hundred forty-three million, two hundred eleven thousand, three hundred thirteen".

Divisors: 1 7 13 91 1699 11893 22087 154609 1378395457 9648768199 17919140941 125433986587 2341893881443 16393257170101 30444620458759 213112343211313