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31314960384 = 21331274209
BaseRepresentation
bin11101001010100001…
…000110000000000000
32222211101121210220120
4131022201012000000
51003113112213014
622215204140240
72156004525411
oct351241060000
988741553816
1031314960384
111230a52a254
12609b397680
132c5093a676
141730d41808
15c342c1ba9
hex74a846000

31314960384 has 56 divisors (see below), whose sum is σ = 83501529720. Its totient is φ = 10438311936.

The previous prime is 31314960353. The next prime is 31314960389. The reversal of 31314960384 is 48306941313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31314960389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612529 + ... + 661680.

It is an arithmetic number, because the mean of its divisors is an integer number (1491098745).

Almost surely, 231314960384 is an apocalyptic number.

It is an amenable number.

31314960384 is an abundant number, since it is smaller than the sum of its proper divisors (52186569336).

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

31314960384 is an equidigital number, since it uses as much as digits as its factorization.

31314960384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274238 (or 1274214 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 31314960384 in words is "thirty-one billion, three hundred fourteen million, nine hundred sixty thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 2048 3072 4096 6144 8192 12288 24576 1274209 2548418 3822627 5096836 7645254 10193672 15290508 20387344 30581016 40774688 61162032 81549376 122324064 163098752 244648128 326197504 489296256 652395008 978592512 1304790016 1957185024 2609580032 3914370048 5219160064 7828740096 10438320128 15657480192 31314960384