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2131100213011 = 711221111251713
BaseRepresentation
bin11111000000101111011…
…110001001111100010011
321112201202001000201002221
4133000233132021330103
5234403443123304021
64311003001321511
7306652435633360
oct37005736117423
97481661021087
102131100213011
11751881570270
122a5031196297
13125c67362803
1475208111467
153a67c71a241
hex1f02f789f13

2131100213011 has 16 divisors (see below), whose sum is σ = 2657078396928. Its totient is φ = 1660521139200.

The previous prime is 2131100212939. The next prime is 2131100213059. The reversal of 2131100213011 is 1103120011312.

It is a happy number.

It is not a de Polignac number, because 2131100213011 - 223 = 2131091824403 is a prime.

It is a super-2 number, since 2×21311002130112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131100214011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076691 + ... + 2328403.

It is an arithmetic number, because the mean of its divisors is an integer number (166067399808).

Almost surely, 22131100213011 is an apocalyptic number.

2131100213011 is a deficient number, since it is larger than the sum of its proper divisors (525978183917).

2131100213011 is a wasteful number, since it uses less digits than its factorization.

2131100213011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273842.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2131100213011 its reverse (1103120011312), we get a palindrome (3234220224323).

The spelling of 2131100213011 in words is "two trillion, one hundred thirty-one billion, one hundred million, two hundred thirteen thousand, eleven".

Divisors: 1 7 11 77 22111 154777 243221 1251713 1702547 8761991 13768843 96381901 27676626143 193736383001 304442887573 2131100213011