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3031221021332 = 227436737576499
BaseRepresentation
bin101100000111000010110…
…110100010101010010100
3101201210010000010111012112
4230013002312202222110
5344130420040140312
610240305042210152
7431666324362640
oct54070266425224
911653100114175
103031221021332
11a69596274149
1240b579953958
1318cac5b6971a
14a69d7583c20
1553cb065bd22
hex2c1c2da2a94

3031221021332 has 48 divisors (see below), whose sum is σ = 6296017728000. Its totient is φ = 1249944629472.

The previous prime is 3031221021307. The next prime is 3031221021341. The reversal of 3031221021332 is 2331201221303.

It is a junction number, because it is equal to n+sod(n) for n = 3031221021298 and 3031221021307.

It is a congruent number.

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, 18707582 + ... + 18868917.

It is an arithmetic number, because the mean of its divisors is an integer number (131167036000).

Almost surely, 23031221021332 is an apocalyptic number.

It is an amenable number.

3031221021332 is an abundant number, since it is smaller than the sum of its proper divisors (3264796706668).

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

3031221021332 is a wasteful number, since it uses less digits than its factorization.

3031221021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37576620 (or 37576618 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3031221021332 its reverse (2331201221303), we get a palindrome (5362422242635).

The spelling of 3031221021332 in words is "three trillion, thirty-one billion, two hundred twenty-one million, twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 43 67 86 134 172 268 301 469 602 938 1204 1876 2881 5762 11524 20167 40334 80668 37576499 75152998 150305996 263035493 526070986 1052141972 1615789457 2517625433 3231578914 5035250866 6463157828 10070501732 11310526199 17623378031 22621052398 35246756062 45242104796 70493512124 108257893619 216515787238 433031574476 757805255333 1515610510666 3031221021332