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1231104302201 = 61891278632069
BaseRepresentation
bin10001111010100011100…
…010001101110001111001
311100200200202221101012002
4101322203202031301321
5130132300200132301
62341321141430345
7154641624623564
oct21724342156171
94320622841162
101231104302201
11435121313774
1217a71a40b3b5
138c1286a8a57
144382b4b14db
152205574a16b
hex11ea388dc79

1231104302201 has 32 divisors (see below), whose sum is σ = 1277403955200. Its totient is φ = 1185938772480.

The previous prime is 1231104302177. The next prime is 1231104302203. The reversal of 1231104302201 is 1022034011321.

It is a cyclic number.

It is not a de Polignac number, because 1231104302201 - 230 = 1230030560377 is a prime.

It is a super-2 number, since 2×12311043022012 (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 (1231104302203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 595022795 + ... + 595024863.

It is an arithmetic number, because the mean of its divisors is an integer number (39918873600).

Almost surely, 21231104302201 is an apocalyptic number.

It is an amenable number.

1231104302201 is a deficient number, since it is larger than the sum of its proper divisors (46299652999).

1231104302201 is a wasteful number, since it uses less digits than its factorization.

1231104302201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1231104302201 its reverse (1022034011321), we get a palindrome (2253138313522).

The spelling of 1231104302201 in words is "one trillion, two hundred thirty-one billion, one hundred four million, three hundred two thousand, two hundred one".

Divisors: 1 61 89 127 863 2069 5429 7747 11303 52643 76807 109601 126209 184141 262763 689483 1785547 4685227 6685661 9754489 11232601 16028543 23385907 108918367 158913683 226764469 595023829 1426540327 9693734663 13832632609 20182037741 1231104302201