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10101321131321 = 71443045875903
BaseRepresentation
bin1001001011111110010110…
…1010000110010100111001
31022202200021102211000112202
42102333211222012110321
52311000001202200241
633252252144315545
72061540103633520
oct222774552062471
938680242730482
1010101321131321
113244a4548a692
121171854012bb5
13583720591274
1426cc998114b7
15127b5a143d9b
hex92fe5a86539

10101321131321 has 4 divisors (see below), whose sum is σ = 11544367007232. Its totient is φ = 8658275255412.

The previous prime is 10101321131311. The next prime is 10101321131327. The reversal of 10101321131321 is 12313112310101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10101321131321 - 26 = 10101321131257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101321131293 and 10101321131302.

It is not an unprimeable number, because it can be changed into a prime (10101321131327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721522937945 + ... + 721522937958.

It is an arithmetic number, because the mean of its divisors is an integer number (2886091751808).

Almost surely, 210101321131321 is an apocalyptic number.

It is an amenable number.

10101321131321 is a deficient number, since it is larger than the sum of its proper divisors (1443045875911).

10101321131321 is an equidigital number, since it uses as much as digits as its factorization.

10101321131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443045875910.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 10101321131321 its reverse (12313112310101), we get a palindrome (22414433441422).

The spelling of 10101321131321 in words is "ten trillion, one hundred one billion, three hundred twenty-one million, one hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 7 1443045875903 10101321131321