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31344330221004 = 2233184258952207
BaseRepresentation
bin1110010000001111010111…
…01010110010010111001100
311002222111012021011202201110
413020013223222302113030
513102021142014033004
6150355215253212020
76413360502623463
oct710075352622714
9132874167152643
1031344330221004
119a950682a0429
1236228a8931010
1314649b0759b98
147a51062559da
15395510939589
hex1c81ebab25cc

31344330221004 has 24 divisors (see below), whose sum is σ = 75496021178368. Its totient is φ = 10111074264720.

The previous prime is 31344330220993. The next prime is 31344330221011. The reversal of 31344330221004 is 40012203344313.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42129475732 + ... + 42129476475.

Almost surely, 231344330221004 is an apocalyptic number.

It is an amenable number.

31344330221004 is an abundant number, since it is smaller than the sum of its proper divisors (44151690957364).

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

31344330221004 is a wasteful number, since it uses less digits than its factorization.

31344330221004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84258952245 (or 84258952243 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 31344330221004 its reverse (40012203344313), we get a palindrome (71356533565317).

The spelling of 31344330221004 in words is "thirty-one trillion, three hundred forty-four billion, three hundred thirty million, two hundred twenty-one thousand, four".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 84258952207 168517904414 252776856621 337035808828 505553713242 1011107426484 2612027518417 5224055036834 7836082555251 10448110073668 15672165110502 31344330221004