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31004034424 = 2311407386501
BaseRepresentation
bin11100110111111111…
…000000010101111000
32222000201120010200021
4130313333000111320
51001444013100144
622124300020224
72145210641626
oct346777002570
988021503607
1031004034424
111216aa72a50
126013231674
132c013b56cc
141701926516
15c16d55884
hex737fc0578

31004034424 has 32 divisors (see below), whose sum is σ = 63433646640. Its totient is φ = 14089120000.

The previous prime is 31004034403. The next prime is 31004034493. The reversal of 31004034424 is 42443040013.

It is a super-2 number, since 2×310040344242 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315174 + ... + 401674.

Almost surely, 231004034424 is an apocalyptic number.

It is an amenable number.

31004034424 is an abundant number, since it is smaller than the sum of its proper divisors (32429612216).

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

31004034424 is a wasteful number, since it uses less digits than its factorization.

31004034424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90591 (or 90587 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 31004034424 its reverse (42443040013), we get a palindrome (73447074437).

The spelling of 31004034424 in words is "thirty-one billion, four million, thirty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 88 4073 8146 16292 32584 44803 86501 89606 173002 179212 346004 358424 692008 951511 1903022 3806044 7612088 352318573 704637146 1409274292 2818548584 3875504303 7751008606 15502017212 31004034424