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331021011332 = 2211172319240933
BaseRepresentation
bin1001101000100100110…
…00111100100110000100
31011122102102102200100202
410310102120330212010
520410412334330312
6412022521030032
732626003112534
oct4642230744604
91148372380322
10331021011332
11118426805250
12541a2325318
13252a48a970b
14120430074c4
158925c699c2
hex4d1263c984

331021011332 has 48 divisors (see below), whose sum is σ = 698215012992. Its totient is φ = 135456161280.

The previous prime is 331021011317. The next prime is 331021011341. The reversal of 331021011332 is 233110120133.

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, 9603263 + ... + 9637670.

It is an arithmetic number, because the mean of its divisors is an integer number (14546146104).

Almost surely, 2331021011332 is an apocalyptic number.

It is an amenable number.

331021011332 is an abundant number, since it is smaller than the sum of its proper divisors (367194001660).

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

331021011332 is a wasteful number, since it uses less digits than its factorization.

331021011332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19240988 (or 19240986 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 331021011332 its reverse (233110120133), we get a palindrome (564131131465).

The spelling of 331021011332 in words is "three hundred thirty-one billion, twenty-one million, eleven thousand, three hundred thirty-two".

Divisors: 1 2 4 11 17 22 23 34 44 46 68 92 187 253 374 391 506 748 782 1012 1564 4301 8602 17204 19240933 38481866 76963732 211650263 327095861 423300526 442541459 654191722 846601052 885082918 1308383444 1770165836 3598054471 4867956049 7196108942 7523204803 9735912098 14392217884 15046409606 19471824196 30092819212 82755252833 165510505666 331021011332