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201310231330 = 25133149952911
BaseRepresentation
bin1011101101111100000…
…1100101101100100010
3201020121122201022222201
42323133001211230202
511244240404400310
6232251452523414
720354440506265
oct2733701455442
9636548638881
10201310231330
117841441740a
123302248056a
1315ca28ca0a0
149a5a106cdc
1553834d5e3a
hex2edf065b22

201310231330 has 32 divisors (see below), whose sum is σ = 402820282368. Its totient is φ = 71932190400.

The previous prime is 201310231271. The next prime is 201310231337. The reversal of 201310231330 is 33132013102.

It is a super-2 number, since 2×2013102313302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201310231298 and 201310231307.

It is not an unprimeable number, because it can be changed into a prime (201310231337) 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, 24972426 + ... + 24980485.

It is an arithmetic number, because the mean of its divisors is an integer number (12588133824).

Almost surely, 2201310231330 is an apocalyptic number.

201310231330 is an abundant number, since it is smaller than the sum of its proper divisors (201510051038).

201310231330 is a wasteful number, since it uses less digits than its factorization.

201310231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49952962.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 201310231330 its reverse (33132013102), we get a palindrome (234442244432).

The spelling of 201310231330 in words is "two hundred one billion, three hundred ten million, two hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 13 26 31 62 65 130 155 310 403 806 2015 4030 49952911 99905822 249764555 499529110 649387843 1298775686 1548540241 3097080482 3246939215 6493878430 7742701205 15485402410 20131023133 40262046266 100655115665 201310231330