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131223332312022 = 23172292609540077
BaseRepresentation
bin11101110101100011010000…
…000110111101001111010110
3122012121211100122120122201210
4131311203100012331033112
5114144430341032441042
61143031055555002250
736432400334612016
oct3565432006751726
9565554318518653
10131223332312022
11388a2559117715
1212873b64599386
13582b3cba31282
142459359399c46
151028647836a9c
hex7758d01bd3d6

131223332312022 has 48 divisors (see below), whose sum is σ = 288406369420560. Its totient is φ = 39748514437632.

The previous prime is 131223332311999. The next prime is 131223332312041. The reversal of 131223332312022 is 220213233322131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1304719753 + ... + 1304820324.

It is an arithmetic number, because the mean of its divisors is an integer number (6008466029595).

Almost surely, 2131223332312022 is an apocalyptic number.

131223332312022 is an abundant number, since it is smaller than the sum of its proper divisors (157183037108538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131223332312022 is a wasteful number, since it uses less digits than its factorization.

131223332312022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609540145 (or 2609540128 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 131223332312022 its reverse (220213233322131), we get a palindrome (351436565634153).

The spelling of 131223332312022 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, three hundred thirty-two million, three hundred twelve thousand, twenty-two".

Divisors: 1 2 3 6 17 29 34 51 58 87 102 174 289 493 578 867 986 1479 1734 2958 8381 16762 25143 50286 2609540077 5219080154 7828620231 15657240462 44362181309 75676662233 88724362618 133086543927 151353324466 227029986699 266173087854 454059973398 754157082253 1286503257961 1508314164506 2262471246759 2573006515922 3859509773883 4524942493518 7719019547766 21870555385337 43741110770674 65611666156011 131223332312022