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13303131323 = 167593134333
BaseRepresentation
bin11000110001110110…
…11010110010111011
31021100010012002110112
430120323122302323
5204221100200243
610040020134535
7650443515266
oct143073326273
937303162415
1013303131323
1157072a8509
1226b323744b
131340127b51
14902b15cdd
1552cd7d818
hex318edacbb

13303131323 has 8 divisors (see below), whose sum is σ = 13405458528. Its totient is φ = 13201074304.

The previous prime is 13303131319. The next prime is 13303131341. The reversal of 13303131323 is 32313130331.

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

It is a cyclic number.

It is not a de Polignac number, because 13303131323 - 22 = 13303131319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13303131313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31865 + ... + 166197.

It is an arithmetic number, because the mean of its divisors is an integer number (1675682316).

Almost surely, 213303131323 is an apocalyptic number.

13303131323 is a deficient number, since it is larger than the sum of its proper divisors (102327205).

13303131323 is a wasteful number, since it uses less digits than its factorization.

13303131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135093.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 13303131323 its reverse (32313130331), we get a palindrome (45616261654).

The spelling of 13303131323 in words is "thirteen billion, three hundred three million, one hundred thirty-one thousand, three hundred twenty-three".

Divisors: 1 167 593 99031 134333 22433611 79659469 13303131323