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13110100321 = 29274479023
BaseRepresentation
bin11000011010110110…
…00100000101100001
31020211122222002201011
430031123010011201
5203322141202241
610004522540521
7642611004553
oct141533040541
936748862634
1013110100321
11561834545a
12265a667741
13130c140916
148c52294d3
1551ae4e281
hex30d6c4161

13110100321 has 4 divisors (see below), whose sum is σ = 13114582272. Its totient is φ = 13105618372.

The previous prime is 13110100319. The next prime is 13110100327. The reversal of 13110100321 is 12300101131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12300101131 = 71173240861.

It is a cyclic number.

It is not a de Polignac number, because 13110100321 - 21 = 13110100319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13110100327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2236585 + ... + 2242438.

It is an arithmetic number, because the mean of its divisors is an integer number (3278645568).

Almost surely, 213110100321 is an apocalyptic number.

It is an amenable number.

13110100321 is a deficient number, since it is larger than the sum of its proper divisors (4481951).

13110100321 is an equidigital number, since it uses as much as digits as its factorization.

13110100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481950.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13110100321 its reverse (12300101131), we get a palindrome (25410201452).

The spelling of 13110100321 in words is "thirteen billion, one hundred ten million, one hundred thousand, three hundred twenty-one".

Divisors: 1 2927 4479023 13110100321