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331013213132 = 22777271529947
BaseRepresentation
bin1001101000100011110…
…11001100101111001100
31011122101212202111020112
410310101323030233030
520410403340310012
6412022041535152
732625546613340
oct4642173145714
91148355674215
10331013213132
11118422369358
125419b7a44b8
13252a30a90b4
1412041d77620
158925229122
hex4d11eccbcc

331013213132 has 24 divisors (see below), whose sum is σ = 662112536064. Its totient is φ = 141844353552.

The previous prime is 331013213081. The next prime is 331013213147. The reversal of 331013213132 is 231312310133.

It is a junction number, because it is equal to n+sod(n) for n = 331013213098 and 331013213107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548618 + ... + 981329.

It is an arithmetic number, because the mean of its divisors is an integer number (27588022336).

Almost surely, 2331013213132 is an apocalyptic number.

It is an amenable number.

331013213132 is an abundant number, since it is smaller than the sum of its proper divisors (331099322932).

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

331013213132 is a wasteful number, since it uses less digits than its factorization.

331013213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537685 (or 1537683 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 331013213132 its reverse (231312310133), we get a palindrome (562325523265).

The spelling of 331013213132 in words is "three hundred thirty-one billion, thirteen million, two hundred thirteen thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 7727 15454 30908 54089 108178 216356 1529947 3059894 6119788 10709629 21419258 42838516 11821900469 23643800938 47287601876 82753303283 165506606566 331013213132