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13102211321131 = 31937194509779
BaseRepresentation
bin1011111010101001100010…
…1001101100110100101011
31201101120002122010121211211
42332222120221230310223
53204131312044234011
643511023415533551
72521414003450312
oct276523051546453
951346078117754
1013102211321131
1141a1686798119
12157736808a2b7
137406c16614aa
14334216a2d279
1517ac42ac7b21
hexbea98a6cd2b

13102211321131 has 8 divisors (see below), whose sum is σ = 13525010611200. Its totient is φ = 12679421238120.

The previous prime is 13102211321117. The next prime is 13102211321141. The reversal of 13102211321131 is 13112311220131.

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

It is a cyclic number.

It is not a de Polignac number, because 13102211321131 - 25 = 13102211321099 is a prime.

It is a super-2 number, since 2×131022113211312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13102211321141) 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, 650400 + ... + 5160178.

It is an arithmetic number, because the mean of its divisors is an integer number (1690626326400).

Almost surely, 213102211321131 is an apocalyptic number.

13102211321131 is a deficient number, since it is larger than the sum of its proper divisors (422799290069).

13102211321131 is an equidigital number, since it uses as much as digits as its factorization.

13102211321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603529.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 13102211321131 its reverse (13112311220131), we get a palindrome (26214522541262).

The spelling of 13102211321131 in words is "thirteen trillion, one hundred two billion, two hundred eleven million, three hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 31 93719 2905289 4509779 139803149 422651978101 13102211321131