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13231131312201 = 3113723346507757
BaseRepresentation
bin1100000010001001110011…
…1000011100000001001001
31201211212212021211201201220
43000202130320130001021
53213234324103442301
644050144154432253
72533626524342505
oct300423470340111
951755767751656
1013231131312201
114241322766590
121598347132689
1374c8c886468a
1433a5668c1305
1517e28ac03936
hexc089ce1c049

13231131312201 has 32 divisors (see below), whose sum is σ = 19850255238528. Its totient is φ = 7768655562240.

The previous prime is 13231131312197. The next prime is 13231131312211. The reversal of 13231131312201 is 10221313113231.

It is not a de Polignac number, because 13231131312201 - 22 = 13231131312197 is a prime.

It is a super-2 number, since 2×132311313122012 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13231131312211) 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, 22969386 + ... + 23538371.

It is an arithmetic number, because the mean of its divisors is an integer number (620320476204).

Almost surely, 213231131312201 is an apocalyptic number.

13231131312201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13231131312201 is a deficient number, since it is larger than the sum of its proper divisors (6619123926327).

13231131312201 is a wasteful number, since it uses less digits than its factorization.

13231131312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46508041.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13231131312201 its reverse (10221313113231), we get a palindrome (23452444425432).

The spelling of 13231131312201 in words is "thirteen trillion, two hundred thirty-one billion, one hundred thirty-one million, three hundred twelve thousand, two hundred one".

Divisors: 1 3 11 33 37 111 233 407 699 1221 2563 7689 8621 25863 94831 284493 46507757 139523271 511585327 1534755981 1720787009 5162361027 10836307381 18928657099 32508922143 56785971297 119199381191 357598143573 400943373097 1202830119291 4410377104067 13231131312201