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13023111003013 = 115111314605563
BaseRepresentation
bin1011110110000010110111…
…1001111011101110000101
31201002222220222221010101001
42331200231321323232011
53201332312404044023
643410422401333301
72512613555031046
oct275405571735605
951088828833331
1013023111003013
114171085716391
121563b71637231
137360c6a41327
1433047156a8cd
15178b635c16ad
hexbd82de7bb85

13023111003013 has 4 divisors (see below), whose sum is σ = 13034425609728. Its totient is φ = 13011796396300.

The previous prime is 13023111002987. The next prime is 13023111003059. The reversal of 13023111003013 is 31030011132031.

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 13023111003013 - 29 = 13023111002501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023111007013) 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, 5657301631 + ... + 5657303932.

It is an arithmetic number, because the mean of its divisors is an integer number (3258606402432).

Almost surely, 213023111003013 is an apocalyptic number.

It is an amenable number.

13023111003013 is a deficient number, since it is larger than the sum of its proper divisors (11314606715).

13023111003013 is a wasteful number, since it uses less digits than its factorization.

13023111003013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11314606714.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13023111003013 its reverse (31030011132031), we get a palindrome (44053122135044).

The spelling of 13023111003013 in words is "thirteen trillion, twenty-three billion, one hundred eleven million, three thousand, thirteen".

Divisors: 1 1151 11314605563 13023111003013