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313122220222 = 27971571468637
BaseRepresentation
bin1001000111001111000…
…10011110100010111110
31002221020000200212211111
410203213202132202332
520112233242021342
6355502451512234
731423313646220
oct4434742364276
91087200625744
10313122220222
1111088136a5a9
1250827bb867a
13236b1623c66
1411225c04410
158229704217
hex48e789e8be

313122220222 has 32 divisors (see below), whose sum is σ = 545769379008. Its totient is φ = 131965756416.

The previous prime is 313122220219. The next prime is 313122220241. The reversal of 313122220222 is 222022221313.

It is a junction number, because it is equal to n+sod(n) for n = 313122220193 and 313122220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521113 + ... + 947524.

It is an arithmetic number, because the mean of its divisors is an integer number (17055293094).

Almost surely, 2313122220222 is an apocalyptic number.

313122220222 is a deficient number, since it is larger than the sum of its proper divisors (232647158786).

313122220222 is a wasteful number, since it uses less digits than its factorization.

313122220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468900.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 313122220222 its reverse (222022221313), we get a palindrome (535144441535).

The spelling of 313122220222 in words is "three hundred thirteen billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 7 14 97 157 194 314 679 1099 1358 2198 15229 30458 106603 213206 1468637 2937274 10280459 20560918 142457789 230576009 284915578 461152018 997204523 1614032063 1994409046 3228064126 22365872873 44731745746 156561110111 313122220222