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31202300318 = 2737592710163
BaseRepresentation
bin11101000011110011…
…010101000110011110
32222112112122002100112
4131003303111012132
51002400242102233
622200101330022
72153136114410
oct350363250636
988475562315
1031202300318
1112261981062
126069706912
132c334b35c7
14171ddb69b0
15c2946b048
hex743cd519e

31202300318 has 32 divisors (see below), whose sum is σ = 54949999104. Its totient is φ = 13007522592.

The previous prime is 31202300317. The next prime is 31202300351. The reversal of 31202300318 is 81300320213.

It is a super-2 number, since 2×312023003182 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31202300293 and 31202300302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31202300317) 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 15 ways as a sum of consecutive naturals, for example, 3065105 + ... + 3075267.

It is an arithmetic number, because the mean of its divisors is an integer number (1717187472).

Almost surely, 231202300318 is an apocalyptic number.

31202300318 is a deficient number, since it is larger than the sum of its proper divisors (23747698786).

31202300318 is a wasteful number, since it uses less digits than its factorization.

31202300318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16136.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 31202300318 in words is "thirty-one billion, two hundred two million, three hundred thousand, three hundred eighteen".

Divisors: 1 2 7 14 37 74 259 518 5927 10163 11854 20326 41489 71141 82978 142282 219299 376031 438598 752062 1535093 2632217 3070186 5264434 60236101 120472202 421652707 843305414 2228735737 4457471474 15601150159 31202300318