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31201323333230 = 259745332016791
BaseRepresentation
bin1110001100000100111111…
…10010110011011001101110
311002110211001212111011101102
413012002133302303121232
513042200302233130410
6150205405015243102
76400135610263511
oct706023762633156
9132424055434342
1031201323333230
119a3a452671a76
1235bb038079492
13145436cc4156b
1479c21b54ad78
15391940c632a5
hex1c609fcb366e

31201323333230 has 16 divisors (see below), whose sum is σ = 56162960056224. Its totient is φ = 12480400876320.

The previous prime is 31201323333179. The next prime is 31201323333247. The reversal of 31201323333230 is 3233332310213.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31201323333193 and 31201323333202.

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, 15033866 + ... + 16982925.

It is an arithmetic number, because the mean of its divisors is an integer number (3510185003514).

Almost surely, 231201323333230 is an apocalyptic number.

31201323333230 is a deficient number, since it is larger than the sum of its proper divisors (24961636722994).

31201323333230 is a wasteful number, since it uses less digits than its factorization.

31201323333230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32114251.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 31201323333230 its reverse (3233332310213), we get a palindrome (34434655643443).

The spelling of 31201323333230 in words is "thirty-one trillion, two hundred one billion, three hundred twenty-three million, three hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 97453 194906 487265 974530 32016791 64033582 160083955 320167910 3120132333323 6240264666646 15600661666615 31201323333230