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2131023121301 = 1723791031315113
BaseRepresentation
bin11111000000101010111…
…000000100101110010101
321112201112122222001011102
4133000222320010232111
5234403313404340201
64310551205115445
7306650511442244
oct37005270045625
97481478861142
102131023121301
11751841aa6108
122a500b3b8b85
13125c543b0109
14751dbba495b
153a675a8d26b
hex1f02ae04b95

2131023121301 has 64 divisors (see below), whose sum is σ = 2426284523520. Its totient is φ = 1861108254720.

The previous prime is 2131023121273. The next prime is 2131023121327. The reversal of 2131023121301 is 1031213201312.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-2131023121301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131023121001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 416782721 + ... + 416787833.

It is an arithmetic number, because the mean of its divisors is an integer number (37910695680).

Almost surely, 22131023121301 is an apocalyptic number.

It is an amenable number.

2131023121301 is a deficient number, since it is larger than the sum of its proper divisors (295261402219).

2131023121301 is a wasteful number, since it uses less digits than its factorization.

2131023121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2131023121301 its reverse (1031213201312), we get a palindrome (3162236322613).

The spelling of 2131023121301 in words is "two trillion, one hundred thirty-one billion, twenty-three million, one hundred twenty-one thousand, three hundred one".

Divisors: 1 17 23 79 103 131 391 1343 1751 1817 2227 2369 3013 5113 8137 10349 13493 30889 40273 51221 86921 117599 138329 175933 187151 229381 238027 310339 403927 526639 669803 1065947 1999183 3181567 4046459 5275763 6866759 8952863 9290321 11386651 12112697 15405469 18121099 24516781 41604481 52914437 68989709 157935457 205915849 261892973 416785277 707276177 899545429 956903063 1172825053 1217032051 1586763307 5450187011 16267352071 20689544867 26974976219 92653179187 125354301253 2131023121301