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13131321301001 = 23676184444167
BaseRepresentation
bin1011111100010101111110…
…1111011101100000001001
31201111100020100200211010102
42333011133233131200021
53210120421223113001
643532240135455145
72523464245264301
oct277053757354011
951440210624112
1013131321301001
114202a645a5922
121580b30b274b5
13743380515557
143357b8b98601
1517b8984e6e6b
hexbf15fbdd809

13131321301001 has 8 divisors (see below), whose sum is σ = 13704275136384. Its totient is φ = 12558536367520.

The previous prime is 13131321300953. The next prime is 13131321301097. The reversal of 13131321301001 is 10010312313131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13131321301001 is a prime.

It is a super-2 number, since 2×131313213010012 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13131321201001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42066581 + ... + 42377586.

It is an arithmetic number, because the mean of its divisors is an integer number (1713034392048).

Almost surely, 213131321301001 is an apocalyptic number.

It is an amenable number.

13131321301001 is a deficient number, since it is larger than the sum of its proper divisors (572953835383).

13131321301001 is an equidigital number, since it uses as much as digits as its factorization.

13131321301001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84450951.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 13131321301001 its reverse (10010312313131), we get a palindrome (23141633614132).

The spelling of 13131321301001 in words is "thirteen trillion, one hundred thirty-one billion, three hundred twenty-one million, three hundred one thousand, one".

Divisors: 1 23 6761 155503 84444167 1942215841 570927013087 13131321301001