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220310200231131 = 3601598720409371
BaseRepresentation
bin110010000101111011110111…
…001110011010010011011011
31001220001110010122120000120110
4302011323313032122103123
5212334030242224344011
62100321035255055403
764255613065653213
oct6205736716322333
91056043118500513
10220310200231131
116421a03861226a
1220861714371563
1395c12166c722a
143c590db989243
151a70b91d44ba6
hexc85ef739a4db

220310200231131 has 16 divisors (see below), whose sum is σ = 294284857442688. Its totient is φ = 146604586584000.

The previous prime is 220310200231123. The next prime is 220310200231141. The reversal of 220310200231131 is 131132002013022.

It is not a de Polignac number, because 220310200231131 - 23 = 220310200231123 is a prime.

It is a super-2 number, since 2×2203102002311312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220310200231098 and 220310200231107.

It is not an unprimeable number, because it can be changed into a prime (220310200231111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589876 + ... + 20999246.

It is an arithmetic number, because the mean of its divisors is an integer number (18392803590168).

Almost surely, 2220310200231131 is an apocalyptic number.

220310200231131 is a deficient number, since it is larger than the sum of its proper divisors (73974657211557).

220310200231131 is a wasteful number, since it uses less digits than its factorization.

220310200231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20415962.

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

Adding to 220310200231131 its reverse (131132002013022), we get a palindrome (351442202244153).

The spelling of 220310200231131 in words is "two hundred twenty trillion, three hundred ten billion, two hundred million, two hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 3 601 1803 5987 17961 3598187 10794561 20409371 61228113 12266031971 36798095913 122190904177 366572712531 73436733410377 220310200231131