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2131302113311 = 71319472454289
BaseRepresentation
bin11111000000111011100…
…000010110000000011111
321112202021002221022020211
4133000323200112000133
5234404401320111221
64311035012553251
7306660440024110
oct37007340260037
97482232838224
102131302113311
11751975530a18
122a5088922827
13125c9a133a47
1475226c6a207
153a6902ec6e1
hex1f03b81601f

2131302113311 has 16 divisors (see below), whose sum is σ = 2456960267520. Its totient is φ = 1810970029440.

The previous prime is 2131302113267. The next prime is 2131302113363. The reversal of 2131302113311 is 1133112031312.

It is a cyclic number.

It is not a de Polignac number, because 2131302113311 - 27 = 2131302113183 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 (2131302153311) 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 15 ways as a sum of consecutive naturals, for example, 358746 + ... + 2095543.

It is an arithmetic number, because the mean of its divisors is an integer number (153560016720).

Almost surely, 22131302113311 is an apocalyptic number.

2131302113311 is a deficient number, since it is larger than the sum of its proper divisors (325658154209).

2131302113311 is a wasteful number, since it uses less digits than its factorization.

2131302113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455374.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 2131302113311 its reverse (1133112031312), we get a palindrome (3264414144623).

The spelling of 2131302113311 in words is "two trillion, one hundred thirty-one billion, three hundred two million, one hundred thirteen thousand, three hundred eleven".

Divisors: 1 7 131 917 947 6629 124057 868399 2454289 17180023 321511859 2250583013 2324211683 16269481781 304471730473 2131302113311