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553212131 is a prime number
BaseRepresentation
bin100000111110010…
…101100011100011
31102112222002101012
4200332111203203
52113110242011
6130521131135
716465140233
oct4076254343
91375862335
10553212131
1126430150a
12135329aab
138a7c6574
1453687cc3
1533879a8b
hex20f958e3

553212131 has 2 divisors, whose sum is σ = 553212132. Its totient is φ = 553212130.

The previous prime is 553212119. The next prime is 553212161. The reversal of 553212131 is 131212355.

It is a happy number.

553212131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-553212131 is a prime.

It is a super-2 number, since 2×5532121312 = 612087323771122322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 553212097 and 553212106.

It is not a weakly prime, because it can be changed into another prime (553212161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276606065 + 276606066.

It is an arithmetic number, because the mean of its divisors is an integer number (276606066).

Almost surely, 2553212131 is an apocalyptic number.

553212131 is a deficient number, since it is larger than the sum of its proper divisors (1).

553212131 is an equidigital number, since it uses as much as digits as its factorization.

553212131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 23.

The square root of 553212131 is about 23520.4619640006. The cubic root of 553212131 is about 820.9131860118.

Adding to 553212131 its reverse (131212355), we get a palindrome (684424486).

The spelling of 553212131 in words is "five hundred fifty-three million, two hundred twelve thousand, one hundred thirty-one".