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553513131 = 32183133589
BaseRepresentation
bin100000111111011…
…111000010101011
31102120112101021100
4200333133002223
52113144410011
6130531412443
716500532623
oct4077370253
91376471240
10553513131
11264497676
12135454123
138a8a0582
1453725883
15338d8d56
hex20fdf0ab

553513131 has 12 divisors (see below), whose sum is σ = 799979440. Its totient is φ = 368796240.

The previous prime is 553513123. The next prime is 553513133. The reversal of 553513131 is 131315355.

553513131 is a `hidden beast` number, since 553 + 51 + 31 + 31 = 666.

It is not a de Polignac number, because 553513131 - 23 = 553513123 is a prime.

It is a super-2 number, since 2×5535131312 = 612753572378846322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553513095 and 553513104.

It is not an unprimeable number, because it can be changed into a prime (553513133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316 + ... + 33273.

Almost surely, 2553513131 is an apocalyptic number.

553513131 is a deficient number, since it is larger than the sum of its proper divisors (246466309).

553513131 is a wasteful number, since it uses less digits than its factorization.

553513131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35426 (or 35423 counting only the distinct ones).

The product of its digits is 3375, while the sum is 27.

The square root of 553513131 is about 23526.8597777094. The cubic root of 553513131 is about 821.0620439600.

Adding to 553513131 its reverse (131315355), we get a palindrome (684828486).

The spelling of 553513131 in words is "five hundred fifty-three million, five hundred thirteen thousand, one hundred thirty-one".