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313123010013 = 34111753390043
BaseRepresentation
bin1001000111001111001…
…01011111010111011101
31002221020002012000020000
410203213211133113131
520112233442310023
6355502520444513
731423323445632
oct4434745372735
91087202160200
10313123010013
11110881859a20
1250828319739
13236b183c5a8
1411225d6c189
15822980d243
hex48e795f5dd

313123010013 has 80 divisors (see below), whose sum is σ = 550486259136. Its totient is φ = 175238069760.

The previous prime is 313123010003. The next prime is 313123010069. The reversal of 313123010013 is 310010321313.

It is a happy number.

It is not a de Polignac number, because 313123010013 - 26 = 313123009949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313123010003) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 607770 + ... + 997812.

Almost surely, 2313123010013 is an apocalyptic number.

313123010013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

313123010013 is a deficient number, since it is larger than the sum of its proper divisors (237363249123).

313123010013 is a wasteful number, since it uses less digits than its factorization.

313123010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390136 (or 390127 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 313123010013 its reverse (310010321313), we get a palindrome (623133331326).

The spelling of 313123010013 in words is "three hundred thirteen billion, one hundred twenty-three million, ten thousand, thirteen".

Divisors: 1 3 9 11 17 27 33 51 53 81 99 153 159 187 297 459 477 561 583 891 901 1377 1431 1683 1749 2703 4293 5049 5247 8109 9911 15147 15741 24327 29733 47223 72981 89199 267597 390043 802791 1170129 3510387 4290473 6630731 10531161 12871419 19892193 20672279 31593483 38614257 59676579 62016837 72938041 115842771 179029737 186050511 218814123 227395069 347528313 351428743 537089211 558151533 656442369 682185207 1054286229 1674454599 1969327107 2046555621 3162858687 3865716173 5907981321 6139666863 9488576061 11597148519 18419000589 28465728183 34791445557 104374336671 313123010013