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13071858183131 = 112281938322769
BaseRepresentation
bin1011111000111000011101…
…1101101010101111011011
31201021122202021100110012112
42332032013131222233123
53203132131143330011
643445043450502535
72516260555154516
oct276160735525733
951248667313175
1013071858183131
11418a820186300
1215714b6a34a4b
1373a895084ac7
1433297773bd7d
1517a067e9558b
hexbe38776abdb

13071858183131 has 12 divisors (see below), whose sum is σ = 14373338116200. Its totient is φ = 11879291624640.

The previous prime is 13071858183121. The next prime is 13071858183203. The reversal of 13071858183131 is 13138185817031.

It is not a de Polignac number, because 13071858183131 - 218 = 13071857920987 is a prime.

It is a super-2 number, since 2×130718581831312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13071858183131.

It is not an unprimeable number, because it can be changed into a prime (13071858183101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18820286 + ... + 19502483.

It is an arithmetic number, because the mean of its divisors is an integer number (1197778176350).

Almost surely, 213071858183131 is an apocalyptic number.

13071858183131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13071858183131 is a deficient number, since it is larger than the sum of its proper divisors (1301479933069).

13071858183131 is a wasteful number, since it uses less digits than its factorization.

13071858183131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38325610 (or 38325599 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 13071858183131 in words is "thirteen trillion, seventy-one billion, eight hundred fifty-eight million, one hundred eighty-three thousand, one hundred thirty-one".

Divisors: 1 11 121 2819 31009 341099 38322769 421550459 4637055049 108031885811 1188350743921 13071858183131