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13031475333 = 34343825111
BaseRepresentation
bin11000010001011110…
…01000100010000101
31020122012000112111120
430020233020202011
5203142024202313
65553033424153
7640634466312
oct141057104205
936565015446
1013031475333
115587a23328
12263826b059
1312c8a72366
148b89ddd09
155140bcd23
hex308bc8885

13031475333 has 4 divisors (see below), whose sum is σ = 17375300448. Its totient is φ = 8687650220.

The previous prime is 13031475313. The next prime is 13031475349. The reversal of 13031475333 is 33357413031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33357413031 = 311119137677.

It is a cyclic number.

It is not a de Polignac number, because 13031475333 - 28 = 13031475077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13031475294 and 13031475303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031475313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2171912553 + ... + 2171912558.

It is an arithmetic number, because the mean of its divisors is an integer number (4343825112).

Almost surely, 213031475333 is an apocalyptic number.

It is an amenable number.

13031475333 is a deficient number, since it is larger than the sum of its proper divisors (4343825115).

13031475333 is an equidigital number, since it uses as much as digits as its factorization.

13031475333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343825114.

The product of its (nonzero) digits is 34020, while the sum is 33.

Adding to 13031475333 its reverse (33357413031), we get a palindrome (46388888364).

The spelling of 13031475333 in words is "thirteen billion, thirty-one million, four hundred seventy-five thousand, three hundred thirty-three".

Divisors: 1 3 4343825111 13031475333