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131223040212322 = 2953544691263973
BaseRepresentation
bin11101110101100010111110…
…101100101011110101100010
3122012121210121021221110021101
4131311202332230223311202
5114144424241243243242
61143031011002145014
736432360160035262
oct3565427654536542
9565553537843241
10131223040212322
11388a2419249903
1212873aa27b216a
13582b38336b406
14245932c6817a2
15102862bd889b7
hex7758beb2bd62

131223040212322 has 16 divisors (see below), whose sum is σ = 197044875738360. Its totient is φ = 65541417604992.

The previous prime is 131223040212289. The next prime is 131223040212401. The reversal of 131223040212322 is 223212040322131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 80753965115041 + 50469075097281 = 8986321^2 + 7104159^2 .

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, 103185928 + ... + 104449900.

Almost surely, 2131223040212322 is an apocalyptic number.

131223040212322 is a deficient number, since it is larger than the sum of its proper divisors (65821835526038).

131223040212322 is a wasteful number, since it uses less digits than its factorization.

131223040212322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319397.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 131223040212322 its reverse (223212040322131), we get a palindrome (354435080534453).

The spelling of 131223040212322 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, forty million, two hundred twelve thousand, three hundred twenty-two".

Divisors: 1 2 953 1906 54469 108938 1263973 2527946 51908957 103817914 1204566269 2409132538 68847345337 137694690674 65611520106161 131223040212322