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11313231201 = 3546556507
BaseRepresentation
bin10101000100101001…
…00011010101100001
31002012102211200200000
422202110203111201
5141132141344301
65110333450213
7550231610226
oct124224432541
932172750600
1011313231201
11488602a058
122238940969
1310b3aa895c
1479472994d
15463313786
hex2a2523561

11313231201 has 12 divisors (see below), whose sum is σ = 16946568912. Its totient is φ = 7542153972.

The previous prime is 11313231197. The next prime is 11313231257. The reversal of 11313231201 is 10213231311.

It is not a de Polignac number, because 11313231201 - 22 = 11313231197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11313231001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23278011 + ... + 23278496.

It is an arithmetic number, because the mean of its divisors is an integer number (1412214076).

Almost surely, 211313231201 is an apocalyptic number.

It is an amenable number.

11313231201 is a deficient number, since it is larger than the sum of its proper divisors (5633337711).

11313231201 is an frugal number, since it uses more digits than its factorization.

11313231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46556522 (or 46556510 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11313231201 its reverse (10213231311), we get a palindrome (21526462512).

The spelling of 11313231201 in words is "eleven billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred one".

Divisors: 1 3 9 27 81 243 46556507 139669521 419008563 1257025689 3771077067 11313231201