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13031331222201 = 35517178732977
BaseRepresentation
bin1011110110100001011111…
…0111100101001010111001
31201010210010212201112012120
42331220113313211022321
53202001131243102301
643414302205231453
72513324351526465
oct275502767451271
951123125645176
1013031331222201
114174613826766
121565686562589
13736b06a9a856
14330a1119b4a5
15178e950bbe36
hexbda17de52b9

13031331222201 has 8 divisors (see below), whose sum is σ = 17375423448864. Its totient is φ = 8687396571840.

The previous prime is 13031331222197. The next prime is 13031331222223. The reversal of 13031331222201 is 10222213313031.

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

It is not a de Polignac number, because 13031331222201 - 22 = 13031331222197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13031331222281) 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, 39200976 + ... + 39532001.

It is an arithmetic number, because the mean of its divisors is an integer number (2171927931108).

Almost surely, 213031331222201 is an apocalyptic number.

It is an amenable number.

13031331222201 is a deficient number, since it is larger than the sum of its proper divisors (4344092226663).

13031331222201 is an equidigital number, since it uses as much as digits as its factorization.

13031331222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78788151.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13031331222201 its reverse (10222213313031), we get a palindrome (23253544535232).

The spelling of 13031331222201 in words is "thirteen trillion, thirty-one billion, three hundred thirty-one million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 3 55171 165513 78732977 236198931 4343777074067 13031331222201