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31344210041144 = 23711133914112143
BaseRepresentation
bin1110010000001111001001…
…00000010101100100111000
311002222110212220000222221112
413020013210200111210320
513102020420232304034
6150355155321255452
76413354513253050
oct710074440254470
9132873786028845
1031344210041144
119a95006476530
123622874634588
13146499189c140
147a50d42d0560
153955050ea7ce
hex1c81e4815938

31344210041144 has 64 divisors (see below), whose sum is σ = 78908500823040. Its totient is φ = 11272642968960.

The previous prime is 31344210041119. The next prime is 31344210041167. The reversal of 31344210041144 is 44114001244313.

It is a self number, because there is not a number n which added to its sum of digits gives 31344210041144.

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, 1957048064 + ... + 1957064079.

It is an arithmetic number, because the mean of its divisors is an integer number (1232945325360).

Almost surely, 231344210041144 is an apocalyptic number.

It is an amenable number.

31344210041144 is an abundant number, since it is smaller than the sum of its proper divisors (47564290781896).

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

31344210041144 is a wasteful number, since it uses less digits than its factorization.

31344210041144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914112180 (or 3914112176 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 31344210041144 its reverse (44114001244313), we get a palindrome (75458211285457).

The spelling of 31344210041144 in words is "thirty-one trillion, three hundred forty-four billion, two hundred ten million, forty-one thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 11 13 14 22 26 28 44 52 56 77 88 91 104 143 154 182 286 308 364 572 616 728 1001 1144 2002 4004 8008 3914112143 7828224286 15656448572 27398785001 31312897144 43055233573 50883457859 54797570002 86110467146 101766915718 109595140004 172220934292 203533831436 219190280008 301386635011 344441868584 356184205013 407067662872 559718036449 602773270022 712368410026 1119436072898 1205546540044 1424736820052 2238872145796 2411093080088 2849473640104 3918026255143 4477744291592 7836052510286 15672105020572 31344210041144