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13023114231 = 317215020893
BaseRepresentation
bin11000010000011110…
…01111001111110111
31020121121021202020010
430020033033033313
5203132404123411
65552134311303
7640503434031
oct141017171767
936547252203
1013023114231
115583232526
1226354b8533
1312c710576a
148b7864c51
155134ba7a6
hex3083cf3f7

13023114231 has 12 divisors (see below), whose sum is σ = 18445657832. Its totient is φ = 8171365248.

The previous prime is 13023114227. The next prime is 13023114259. The reversal of 13023114231 is 13241132031.

It is not a de Polignac number, because 13023114231 - 22 = 13023114227 is a prime.

It is a super-2 number, since 2×130231142312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13023114198 and 13023114207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023114271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7509580 + ... + 7511313.

Almost surely, 213023114231 is an apocalyptic number.

13023114231 is a deficient number, since it is larger than the sum of its proper divisors (5422543601).

13023114231 is a wasteful number, since it uses less digits than its factorization.

13023114231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15020930 (or 15020913 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13023114231 its reverse (13241132031), we get a palindrome (26264246262).

The spelling of 13023114231 in words is "thirteen billion, twenty-three million, one hundred fourteen thousand, two hundred thirty-one".

Divisors: 1 3 17 51 289 867 15020893 45062679 255355181 766065543 4341038077 13023114231