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31231442220114 = 2373643598118541
BaseRepresentation
bin1110001100111101000110…
…00001001111010001010010
311002120200210220111010220110
413012132203001033101102
513043143443202020424
6150231305415422150
76402253152506403
oct706364301172122
9132520726433813
1031231442220114
119a511a8a27524
123604a42984956
13145715cb30a16
1479d8776a19aa
15392605022c29
hex1c67a304f452

31231442220114 has 64 divisors (see below), whose sum is σ = 63431038032768. Its totient is φ = 10249635801600.

The previous prime is 31231442220109. The next prime is 31231442220133. The reversal of 31231442220114 is 41102224413213.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1684443684 + ... + 1684462224.

It is an arithmetic number, because the mean of its divisors is an integer number (991109969262).

Almost surely, 231231442220114 is an apocalyptic number.

31231442220114 is an abundant number, since it is smaller than the sum of its proper divisors (32199595812654).

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

31231442220114 is a wasteful number, since it uses less digits than its factorization.

31231442220114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25243.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 31231442220114 its reverse (41102224413213), we get a palindrome (72333666633327).

The spelling of 31231442220114 in words is "thirty-one trillion, two hundred thirty-one billion, four hundred forty-two million, two hundred twenty thousand, one hundred fourteen".

Divisors: 1 2 3 6 73 146 219 438 643 1286 1929 3858 5981 11962 17943 18541 35886 37082 46939 55623 93878 111246 140817 281634 436613 873226 1309839 1353493 2619678 2706986 3845783 4060479 7691566 8120958 11537349 11921863 23074698 23843726 35765589 71531178 110893721 221787442 280742159 332681163 561484318 665362326 842226477 870295999 1684452954 1740591998 2610887997 5221775994 8095241633 16190483266 24285724899 48571449798 71304662603 142609325206 213913987809 427827975618 5205240370019 10410480740038 15615721110057 31231442220114