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11231131311202 = 211569897198539
BaseRepresentation
bin1010001101101111001110…
…0101111001110001100010
31110202200111211222211101211
42203123303211321301202
52433002324103424302
635515302133420334
72236264622001505
oct243336345716142
943680454884354
1011231131311202
113640106914a80
12131480319a6aa
136361252cca1a
142ab83803113c
15147232c25ad7
hexa36f3979c62

11231131311202 has 16 divisors (see below), whose sum is σ = 18410514040800. Its totient is φ = 5096087695840.

The previous prime is 11231131311199. The next prime is 11231131311217. The reversal of 11231131311202 is 20211313113211.

It is a super-2 number, since 2×112311313112022 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448586752 + ... + 448611787.

It is an arithmetic number, because the mean of its divisors is an integer number (1150657127550).

Almost surely, 211231131311202 is an apocalyptic number.

11231131311202 is a deficient number, since it is larger than the sum of its proper divisors (7179382729598).

11231131311202 is a wasteful number, since it uses less digits than its factorization.

11231131311202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897199121.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11231131311202 its reverse (20211313113211), we get a palindrome (31442444424413).

The spelling of 11231131311202 in words is "eleven trillion, two hundred thirty-one billion, one hundred thirty-one million, three hundred eleven thousand, two hundred two".

Divisors: 1 2 11 22 569 1138 6259 12518 897198539 1794397078 9869183929 19738367858 510505968691 1021011937382 5615565655601 11231131311202