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12013303012313 = 31387525903623
BaseRepresentation
bin1010111011010001000010…
…1010001001101111011001
31120112110102202001011000012
42232310100222021233121
53033311221032343223
641314500223451305
72346634563523661
oct256642052115731
946473382034005
1012013303012313
1139118a4400959
121420312a56b35
13691b077a54c5
142d76386a31a1
1515c760c78c78
hexaed10a89bd9

12013303012313 has 4 divisors (see below), whose sum is σ = 12400828915968. Its totient is φ = 11625777108660.

The previous prime is 12013303012301. The next prime is 12013303012367. The reversal of 12013303012313 is 31321030331021.

12013303012313 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12013303012313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12013303012393) 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, 193762951781 + ... + 193762951842.

It is an arithmetic number, because the mean of its divisors is an integer number (3100207228992).

Almost surely, 212013303012313 is an apocalyptic number.

It is an amenable number.

12013303012313 is a deficient number, since it is larger than the sum of its proper divisors (387525903655).

12013303012313 is an equidigital number, since it uses as much as digits as its factorization.

12013303012313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387525903654.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 12013303012313 its reverse (31321030331021), we get a palindrome (43334333343334).

The spelling of 12013303012313 in words is "twelve trillion, thirteen billion, three hundred three million, twelve thousand, three hundred thirteen".

Divisors: 1 31 387525903623 12013303012313