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13113032111321 = 2343809143311437
BaseRepresentation
bin1011111011010001110110…
…0111101111010011011001
31201102121000202100201102212
42332310131213233103121
53204320442210030241
643520013243004505
72522246105605502
oct276643547572331
951377022321385
1013113032111321
1141a6229852a2a
121579487b09735
1374172740081c
14334961badba9
1517b177a67beb
hexbed1d9ef4d9

13113032111321 has 32 divisors (see below), whose sum is σ = 14029693413120. Its totient is φ = 12226453392384.

The previous prime is 13113032111303. The next prime is 13113032111327. The reversal of 13113032111321 is 12311123031131.

It is a cyclic number.

It is not a de Polignac number, because 13113032111321 - 238 = 12838154204377 is a prime.

It is a super-2 number, since 2×131130321113212 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (13113032111327) 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, 1146539015 + ... + 1146550451.

It is an arithmetic number, because the mean of its divisors is an integer number (438427919160).

Almost surely, 213113032111321 is an apocalyptic number.

It is an amenable number.

13113032111321 is a deficient number, since it is larger than the sum of its proper divisors (916661301799).

13113032111321 is a wasteful number, since it uses less digits than its factorization.

13113032111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13745.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 13113032111321 its reverse (12311123031131), we get a palindrome (25424155142452).

The spelling of 13113032111321 in words is "thirteen trillion, one hundred thirteen billion, thirty-two million, one hundred eleven thousand, three hundred twenty-one".

Divisors: 1 23 43 809 989 1433 11437 18607 32959 34787 61619 263051 491791 800101 1159297 1417237 9252533 11311193 16389221 26663831 49849771 212808259 376952083 397858919 704736503 1146544733 9150755137 13258879789 16208939569 304954235147 570131830927 13113032111321