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2131201322013 = 347103394337217
BaseRepresentation
bin11111000000110101011…
…111110110110000011101
321112202000002021120120210
4133000311133312300131
5234404200014301023
64311021012403033
7306655104224661
oct37006537666035
97482002246523
102131201322013
11751923649a25
122a505b016479
13125c822a401a
14752177108a1
153a68653d593
hex1f0357f6c1d

2131201322013 has 32 divisors (see below), whose sum is σ = 2931058630656. Its totient is φ = 1376684149248.

The previous prime is 2131201321981. The next prime is 2131201322017. The reversal of 2131201322013 is 3102231021312.

It is not a de Polignac number, because 2131201322013 - 25 = 2131201321981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131201322017) 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, 57245581 + ... + 57282797.

It is an arithmetic number, because the mean of its divisors is an integer number (91595582208).

Almost surely, 22131201322013 is an apocalyptic number.

It is an amenable number.

2131201322013 is a deficient number, since it is larger than the sum of its proper divisors (799857308643).

2131201322013 is a wasteful number, since it uses less digits than its factorization.

2131201322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41313.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2131201322013 its reverse (3102231021312), we get a palindrome (5233432343325).

The spelling of 2131201322013 in words is "two trillion, one hundred thirty-one billion, two hundred one million, three hundred twenty-two thousand, thirteen".

Divisors: 1 3 47 103 141 309 3943 4841 11829 14523 37217 111651 185321 406129 555963 1218387 1749199 3833351 5247597 11500053 19088063 57264189 146746631 180167497 440239893 540502491 6897091657 15114902993 20691274971 45344708979 710400440671 2131201322013