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131223342422343 = 32771259373333599
BaseRepresentation
bin11101110101100011010000…
…101101100001100101000111
3122012121211101100121022111010
4131311203100231201211013
5114144430401130003333
61143031100555413303
736432400516551123
oct3565432055414507
9565554340538433
10131223342422343
11388a25638a2756
1212873b67a54233
13582b400b61102
14245935a86c583
151028648682563
hex7758d0b61947

131223342422343 has 32 divisors (see below), whose sum is σ = 175787877888000. Its totient is φ = 87071250082176.

The previous prime is 131223342422327. The next prime is 131223342422387. The reversal of 131223342422343 is 343224243322131.

It is not a de Polignac number, because 131223342422343 - 24 = 131223342422327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131223342421343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3905556058 + ... + 3905589656.

It is an arithmetic number, because the mean of its divisors is an integer number (5493371184000).

Almost surely, 2131223342422343 is an apocalyptic number.

131223342422343 is a deficient number, since it is larger than the sum of its proper divisors (44564535465657).

131223342422343 is a wasteful number, since it uses less digits than its factorization.

131223342422343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38871.

The product of its digits is 497664, while the sum is 39.

Adding to 131223342422343 its reverse (343224243322131), we get a palindrome (474447585744474).

The spelling of 131223342422343 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, three hundred forty-two million, four hundred twenty-two thousand, three hundred forty-three".

Divisors: 1 3 277 831 1259 3733 3777 11199 33599 100797 348743 1034041 1046229 3102123 4699847 9306923 14099541 27920769 42301141 125425067 126903423 376275201 1301857619 3905572857 11717416057 34742743559 35152248171 104228230677 157910159353 473730478059 43741114140781 131223342422343