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2203112131 = 1110717910457
BaseRepresentation
bin1000001101010000…
…1101001011000011
312200112112200200121
42003110031023003
514002444042011
61002340201111
7105411100303
oct20324151303
95615480617
102203112131
11a30665830
12515999197
1329158105c
1416c84b603
15cd633e71
hex8350d2c3

2203112131 has 16 divisors (see below), whose sum is σ = 2439642240. Its totient is φ = 1972838080.

The previous prime is 2203112117. The next prime is 2203112137. The reversal of 2203112131 is 1312113022.

It is a cyclic number.

It is not a de Polignac number, because 2203112131 - 217 = 2202981059 is a prime.

It is a super-2 number, since 2×22031121312 = 9707406123518722322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2203112137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205455 + ... + 215911.

It is an arithmetic number, because the mean of its divisors is an integer number (152477640).

Almost surely, 22203112131 is an apocalyptic number.

2203112131 is a deficient number, since it is larger than the sum of its proper divisors (236530109).

2203112131 is a wasteful number, since it uses less digits than its factorization.

2203112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10754.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2203112131 is about 46937.3213019235. The cubic root of 2203112131 is about 1301.2044322860.

Adding to 2203112131 its reverse (1312113022), we get a palindrome (3515225153).

The spelling of 2203112131 in words is "two billion, two hundred three million, one hundred twelve thousand, one hundred thirty-one".

Divisors: 1 11 107 179 1177 1969 10457 19153 115027 210683 1118899 1871803 12307889 20589833 200282921 2203112131