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13475131 is a prime number
BaseRepresentation
bin110011011001…
…110100111011
3221100121101221
4303121310323
511422201011
61200452511
7222352045
oct63316473
927317357
1013475131
11767407a
12461a137
132a3a567
141b0aa95
1512b2971
hexcd9d3b

13475131 has 2 divisors, whose sum is σ = 13475132. Its totient is φ = 13475130.

The previous prime is 13475129. The next prime is 13475149. The reversal of 13475131 is 13157431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13475131 - 21 = 13475129 is a prime.

It is a super-2 number, since 2×134751312 = 363158310934322, which contains 22 as substring.

Together with 13475129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13475096 and 13475105.

It is not a weakly prime, because it can be changed into another prime (13475431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6737565 + 6737566.

It is an arithmetic number, because the mean of its divisors is an integer number (6737566).

Almost surely, 213475131 is an apocalyptic number.

13475131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13475131 is an equidigital number, since it uses as much as digits as its factorization.

13475131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 25.

The square root of 13475131 is about 3670.8488119235. The cubic root of 13475131 is about 237.9638565268.

The spelling of 13475131 in words is "thirteen million, four hundred seventy-five thousand, one hundred thirty-one".