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31423422244 = 2247167145863
BaseRepresentation
bin11101010000111110…
…110101111100100100
310000002221201020121111
4131100332311330210
51003323344002434
622234040554404
72161462452634
oct352076657444
9100087636544
1031423422244
1112365780255
12610b782a04
132c6a254896
1417414d66c4
15c3da98964
hex750fb5f24

31423422244 has 12 divisors (see below), whose sum is σ = 56161010304. Its totient is φ = 15377419304.

The previous prime is 31423422229. The next prime is 31423422257. The reversal of 31423422244 is 44222432413.

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, 83572744 + ... + 83573119.

It is an arithmetic number, because the mean of its divisors is an integer number (4680084192).

Almost surely, 231423422244 is an apocalyptic number.

It is an amenable number.

31423422244 is a deficient number, since it is larger than the sum of its proper divisors (24737588060).

31423422244 is a wasteful number, since it uses less digits than its factorization.

31423422244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167145914 (or 167145912 counting only the distinct ones).

The product of its digits is 36864, while the sum is 31.

Adding to 31423422244 its reverse (44222432413), we get a palindrome (75645854657).

The spelling of 31423422244 in words is "thirty-one billion, four hundred twenty-three million, four hundred twenty-two thousand, two hundred forty-four".

Divisors: 1 2 4 47 94 188 167145863 334291726 668583452 7855855561 15711711122 31423422244