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13101142331 = 97135063323
BaseRepresentation
bin11000011001110001…
…11001000100111011
31020211001002222122202
430030320321010323
5203312343023311
610004002540415
7642441605144
oct141470710473
936731088582
1013101142331
115613287162
12265766770b
13130a325434
148c3d76acb
1551a27ee3b
hex30ce3913b

13101142331 has 4 divisors (see below), whose sum is σ = 13236205752. Its totient is φ = 12966078912.

The previous prime is 13101142321. The next prime is 13101142343. The reversal of 13101142331 is 13324110131.

13101142331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13101142331 is a prime.

It is a super-2 number, since 2×131011423312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13101142321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67531565 + ... + 67531758.

It is an arithmetic number, because the mean of its divisors is an integer number (3309051438).

Almost surely, 213101142331 is an apocalyptic number.

13101142331 is a deficient number, since it is larger than the sum of its proper divisors (135063421).

13101142331 is an equidigital number, since it uses as much as digits as its factorization.

13101142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135063420.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13101142331 its reverse (13324110131), we get a palindrome (26425252462).

The spelling of 13101142331 in words is "thirteen billion, one hundred one million, one hundred forty-two thousand, three hundred thirty-one".

Divisors: 1 97 135063323 13101142331