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13111131011003 = 487208912887621
BaseRepresentation
bin1011111011001010110001…
…0011100111011110111011
31201102102010021002211001222
42332302230103213132323
53204303044014323003
643515100451502255
72522151022534124
oct276625423473673
951372107084058
1013111131011003
1141a5443716143
1215790372b798b
137414b35a31ac
143348214db04b
1517b0b5bddc38
hexbecac4e77bb

13111131011003 has 8 divisors (see below), whose sum is σ = 13144343430240. Its totient is φ = 13077944372160.

The previous prime is 13111131010997. The next prime is 13111131011009. The reversal of 13111131011003 is 30011013111131.

It is an interprime number because it is at equal distance from previous prime (13111131010997) and next prime (13111131011009).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13111131011003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13111131011009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5426468 + ... + 7461153.

It is an arithmetic number, because the mean of its divisors is an integer number (1643042928780).

Almost surely, 213111131011003 is an apocalyptic number.

13111131011003 is a deficient number, since it is larger than the sum of its proper divisors (33212419237).

13111131011003 is a wasteful number, since it uses less digits than its factorization.

13111131011003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12890197.

The product of its (nonzero) digits is 27, while the sum is 17.

Adding to 13111131011003 its reverse (30011013111131), we get a palindrome (43122144122134).

The spelling of 13111131011003 in words is "thirteen trillion, one hundred eleven billion, one hundred thirty-one million, eleven thousand, three".

Divisors: 1 487 2089 1017343 12887621 6276271427 26922240269 13111131011003