Search a number
-
+
102313013031 = 3322189170777
BaseRepresentation
bin101111101001001010…
…1001010111100100111
3100210002100222120122000
41133102111022330213
53134014112404111
6115000230540343
710251261155505
oct1372225127447
9323070876560
10102313013031
113a433035019
12179b45076b3
139856a8c9c8
144d48319675
1529dc32bc56
hex17d254af27

102313013031 has 16 divisors (see below), whose sum is σ = 151582552800. Its totient is φ = 68205201984.

The previous prime is 102313013017. The next prime is 102313013069. The reversal of 102313013031 is 130310313201.

It is a happy number.

It is not a de Polignac number, because 102313013031 - 217 = 102312881959 is a prime.

It is a super-2 number, since 2×1023130130312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102313012995 and 102313013013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102313013431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513715 + ... + 684491.

It is an arithmetic number, because the mean of its divisors is an integer number (9473909550).

Almost surely, 2102313013031 is an apocalyptic number.

102313013031 is a deficient number, since it is larger than the sum of its proper divisors (49269539769).

102313013031 is a wasteful number, since it uses less digits than its factorization.

102313013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192975 (or 192969 counting only the distinct ones).

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

Adding to 102313013031 its reverse (130310313201), we get a palindrome (232623326232).

The spelling of 102313013031 in words is "one hundred two billion, three hundred thirteen million, thirteen thousand, thirty-one".

Divisors: 1 3 9 27 22189 66567 170777 199701 512331 599103 1536993 4610979 3789370853 11368112559 34104337677 102313013031