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131211323322 = 2321868553887
BaseRepresentation
bin111101000110011001…
…1011110011110111010
3110112200100020211211120
41322030303132132322
54122210044321242
6140135550010110
712323352563142
oct1721463363672
9415610224746
10131211323322
115071240a292
122151a4a6936
13c4b0b31cb1
1464ca305922
15362e3891ec
hex1e8ccde7ba

131211323322 has 8 divisors (see below), whose sum is σ = 262422646656. Its totient is φ = 43737107772.

The previous prime is 131211323279. The next prime is 131211323351. The reversal of 131211323322 is 223323112131.

It is a sphenic number, since it is the product of 3 distinct primes.

131211323322 is an admirable number.

It is a super-2 number, since 2×1312113233222 (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 131211323292 and 131211323301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10934276938 + ... + 10934276949.

It is an arithmetic number, because the mean of its divisors is an integer number (32802830832).

Almost surely, 2131211323322 is an apocalyptic number.

131211323322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131211323322 is a wasteful number, since it uses less digits than its factorization.

131211323322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21868553892.

The product of its digits is 1296, while the sum is 24.

Adding to 131211323322 its reverse (223323112131), we get a palindrome (354534435453).

The spelling of 131211323322 in words is "one hundred thirty-one billion, two hundred eleven million, three hundred twenty-three thousand, three hundred twenty-two".

Divisors: 1 2 3 6 21868553887 43737107774 65605661661 131211323322