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13031121322 = 224592649679
BaseRepresentation
bin11000010001011011…
…10010000110101010
31020122011100112220001
430020231302012222
5203141431340242
65553022053214
7640631463232
oct141055620652
936564315801
1013031121322
11558780135a
12263811a20a
1312c897a19b
148b894acc2
1551404ceb7
hex308b721aa

13031121322 has 8 divisors (see below), whose sum is σ = 19554638400. Its totient is φ = 6512908524.

The previous prime is 13031121287. The next prime is 13031121403. The reversal of 13031121322 is 22312113031.

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

It is a super-4 number, since 4×130311213224 (a number of 42 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13031121322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319922 + ... + 1329757.

It is an arithmetic number, because the mean of its divisors is an integer number (2444329800).

Almost surely, 213031121322 is an apocalyptic number.

13031121322 is a deficient number, since it is larger than the sum of its proper divisors (6523517078).

13031121322 is a wasteful number, since it uses less digits than its factorization.

13031121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652140.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13031121322 its reverse (22312113031), we get a palindrome (35343234353).

The spelling of 13031121322 in words is "thirteen billion, thirty-one million, one hundred twenty-one thousand, three hundred twenty-two".

Divisors: 1 2 2459 4918 2649679 5299358 6515560661 13031121322