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31443301424 = 2443379120587
BaseRepresentation
bin11101010010001010…
…101011010000110000
310000011100010012201102
4131102022223100300
51003343441121144
622240031023532
72162123436503
oct352212532060
9100140105642
1031443301424
1112375a18827
12611636aba8
132c713c5002
141743dcd13a
15c406c3b4e
hex7522ab430

31443301424 has 40 divisors (see below), whose sum is σ = 62503172160. Its totient is φ = 15315386688.

The previous prime is 31443301363. The next prime is 31443301429. The reversal of 31443301424 is 42410334413.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31443301429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200459 + ... + 321045.

It is an arithmetic number, because the mean of its divisors is an integer number (1562579304).

Almost surely, 231443301424 is an apocalyptic number.

It is an amenable number.

31443301424 is a deficient number, since it is larger than the sum of its proper divisors (31059870736).

31443301424 is a wasteful number, since it uses less digits than its factorization.

31443301424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121017 (or 121011 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 31443301424 its reverse (42410334413), we get a palindrome (73853635837).

The spelling of 31443301424 in words is "thirty-one billion, four hundred forty-three million, three hundred one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 43 86 172 344 379 688 758 1516 3032 6064 16297 32594 65188 120587 130376 241174 260752 482348 964696 1929392 5185241 10370482 20740964 41481928 45702473 82963856 91404946 182809892 365619784 731239568 1965206339 3930412678 7860825356 15721650712 31443301424