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31143034304 = 261314737013
BaseRepresentation
bin11101000000010001…
…001111110111000000
32222101102010001122222
4131000101033313000
51002240104044204
622150143150212
72151516265244
oct350021176700
988342101588
1031143034304
1112231481688
1260518a5368
132c24132765
14171618a424
15c24160abe
hex74044fdc0

31143034304 has 28 divisors (see below), whose sum is σ = 61805829144. Its totient is φ = 15569912064.

The previous prime is 31143034291. The next prime is 31143034423. The reversal of 31143034304 is 40343034113.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822902 + ... + 859914.

Almost surely, 231143034304 is an apocalyptic number.

It is an amenable number.

31143034304 is a deficient number, since it is larger than the sum of its proper divisors (30662794840).

31143034304 is a wasteful number, since it uses less digits than its factorization.

31143034304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50172 (or 50162 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 31143034304 its reverse (40343034113), we get a palindrome (71486068417).

The spelling of 31143034304 in words is "thirty-one billion, one hundred forty-three million, thirty-four thousand, three hundred four".

Divisors: 1 2 4 8 16 32 64 13147 26294 37013 52588 74026 105176 148052 210352 296104 420704 592208 841408 1184416 2368832 486609911 973219822 1946439644 3892879288 7785758576 15571517152 31143034304