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11131011013 = 71157199793
BaseRepresentation
bin10100101110111010…
…11011111111000101
31001201201221221120011
422113131123333011
5140244014323023
65040304110221
7542560014103
oct122735337705
931651857504
1011131011013
1147a2190361
1221a7905371
131085108365
14778454c73
1545231c50d
hex29775bfc5

11131011013 has 8 divisors (see below), whose sum is σ = 11295084096. Its totient is φ = 10967140800.

The previous prime is 11131011011. The next prime is 11131011029. The reversal of 11131011013 is 31011013111.

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

It is a cyclic number.

It is not a de Polignac number, because 11131011013 - 21 = 11131011011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131010984 and 11131011002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131011011) 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, 61645 + ... + 161437.

It is an arithmetic number, because the mean of its divisors is an integer number (1411885512).

Almost surely, 211131011013 is an apocalyptic number.

It is an amenable number.

11131011013 is a deficient number, since it is larger than the sum of its proper divisors (164073083).

11131011013 is an equidigital number, since it uses as much as digits as its factorization.

11131011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101435.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 11131011013 its reverse (31011013111), we get a palindrome (42142024124).

It can be divided in two parts, 111 and 31011013, that multiplied together give a palindrome (3442222443).

The spelling of 11131011013 in words is "eleven billion, one hundred thirty-one million, eleven thousand, thirteen".

Divisors: 1 71 1571 99793 111541 7085303 156774803 11131011013