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12331020310 = 2578910119597
BaseRepresentation
bin10110111101111110…
…00111000000010110
31011211100222201211221
423132333013000112
5200223220122220
65355332320554
7614400641350
oct133677070026
934740881757
1012331020310
1152585a3084
12248177315a
131216903b2b
1484d9880d0
154c285a9aa
hex2defc7016

12331020310 has 64 divisors (see below), whose sum is σ = 25906988160. Its totient is φ = 4138675200.

The previous prime is 12331020307. The next prime is 12331020379. The reversal of 12331020310 is 1302013321.

It is a super-2 number, since 2×123310203102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 619432 + ... + 639028.

It is an arithmetic number, because the mean of its divisors is an integer number (404796690).

Almost surely, 212331020310 is an apocalyptic number.

12331020310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12331020310 is an abundant number, since it is smaller than the sum of its proper divisors (13575967850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12331020310 is a wasteful number, since it uses less digits than its factorization.

12331020310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19801.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12331020310 its reverse (1302013321), we get a palindrome (13633033631).

The spelling of 12331020310 in words is "twelve billion, three hundred thirty-one million, twenty thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 89 101 178 202 445 505 623 707 890 1010 1246 1414 3115 3535 6230 7070 8989 17978 19597 39194 44945 62923 89890 97985 125846 137179 195970 274358 314615 629230 685895 1371790 1744133 1979297 3488266 3958594 8720665 9896485 12208931 13855079 17441330 19792970 24417862 27710158 61044655 69275395 122089310 138550790 176157433 352314866 880787165 1233102031 1761574330 2466204062 6165510155 12331020310