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13010311131 = 34336770377
BaseRepresentation
bin11000001110111100…
…11001011111011011
31020120201012021200020
430013132121133123
5203121114424011
65551000041523
7640256551146
oct140736313733
936521167606
1013010311131
115576a88354
1226311632a3
1312c457206c
148b5c9105d
155122dc006
hex3077997db

13010311131 has 4 divisors (see below), whose sum is σ = 17347081512. Its totient is φ = 8673540752.

The previous prime is 13010311109. The next prime is 13010311141. The reversal of 13010311131 is 13111301031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13111301031 = 34370433677.

It is a cyclic number.

It is not a de Polignac number, because 13010311131 - 25 = 13010311099 is a prime.

It is a super-2 number, since 2×130103111312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13010311131.

It is not an unprimeable number, because it can be changed into a prime (13010311141) 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, 2168385186 + ... + 2168385191.

It is an arithmetic number, because the mean of its divisors is an integer number (4336770378).

Almost surely, 213010311131 is an apocalyptic number.

13010311131 is a deficient number, since it is larger than the sum of its proper divisors (4336770381).

13010311131 is an equidigital number, since it uses as much as digits as its factorization.

13010311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336770380.

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 13010311131 its reverse (13111301031), we get a palindrome (26121612162).

The spelling of 13010311131 in words is "thirteen billion, ten million, three hundred eleven thousand, one hundred thirty-one".

Divisors: 1 3 4336770377 13010311131