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13001141131 = 111181921921
BaseRepresentation
bin11000001101110110…
…11010101110001011
31020120001221101210121
430012323122232023
5203111243004011
65550031324111
7640115606356
oct140673325613
936501841717
1013001141131
115571894840
12262a080637
1312c26b1224
148b498529d
155115c9e71
hex306edab8b

13001141131 has 4 divisors (see below), whose sum is σ = 14183063064. Its totient is φ = 11819219200.

The previous prime is 13001141107. The next prime is 13001141149. The reversal of 13001141131 is 13114110031.

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

It is a cyclic number.

It is not a de Polignac number, because 13001141131 - 217 = 13001010059 is a prime.

It is a super-2 number, since 2×130011411312 (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 (13001141171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590960950 + ... + 590960971.

It is an arithmetic number, because the mean of its divisors is an integer number (3545765766).

Almost surely, 213001141131 is an apocalyptic number.

13001141131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13001141131 is a deficient number, since it is larger than the sum of its proper divisors (1181921933).

13001141131 is a wasteful number, since it uses less digits than its factorization.

13001141131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181921932.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13001141131 its reverse (13114110031), we get a palindrome (26115251162).

The spelling of 13001141131 in words is "thirteen billion, one million, one hundred forty-one thousand, one hundred thirty-one".

Divisors: 1 11 1181921921 13001141131