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331132031330 = 25311318153953
BaseRepresentation
bin1001101000110010000…
…00011101000101100010
31011122201011100002011112
410310121000131011202
520411124300000310
6412041524343322
732631521553152
oct4643100350542
91148634302145
10331132031330
11118483443211
1254213544b42
13252c18ab119
1412053a66762
158930899705
hex4d1901d162

331132031330 has 32 divisors (see below), whose sum is σ = 619961430528. Its totient is φ = 127201651200.

The previous prime is 331132031273. The next prime is 331132031341. The reversal of 331132031330 is 33130231133.

It is a junction number, because it is equal to n+sod(n) for n = 331132031296 and 331132031305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4036367 + ... + 4117586.

It is an arithmetic number, because the mean of its divisors is an integer number (19373794704).

Almost surely, 2331132031330 is an apocalyptic number.

331132031330 is a deficient number, since it is larger than the sum of its proper divisors (288829399198).

331132031330 is a wasteful number, since it uses less digits than its factorization.

331132031330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8154122.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 331132031330 its reverse (33130231133), we get a palindrome (364262262463).

The spelling of 331132031330 in words is "three hundred thirty-one billion, one hundred thirty-two million, thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 31 62 131 155 262 310 655 1310 4061 8122 20305 40610 8153953 16307906 40769765 81539530 252772543 505545086 1068167843 1263862715 2136335686 2527725430 5340839215 10681678430 33113203133 66226406266 165566015665 331132031330