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553143131 is a prime number
BaseRepresentation
bin100000111110000…
…100101101011011
31102112211120201122
4200332010231123
52113101040011
6130515435455
716464432122
oct4076045533
91375746648
10553143131
11264264692
121352b5b8b
138a7a1038
145366aab9
15338643db
hex20f84b5b

553143131 has 2 divisors, whose sum is σ = 553143132. Its totient is φ = 553143130.

The previous prime is 553143121. The next prime is 553143167. The reversal of 553143131 is 131341355.

Adding to 553143131 its reverse (131341355), we get a palindrome (684484486).

553143131 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-553143131 is a prime.

It is a super-2 number, since 2×5531431312 = 611934646744966322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 553143131.

It is not a weakly prime, because it can be changed into another prime (553143121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276571565 + 276571566.

It is an arithmetic number, because the mean of its divisors is an integer number (276571566).

Almost surely, 2553143131 is an apocalyptic number.

553143131 is a deficient number, since it is larger than the sum of its proper divisors (1).

553143131 is an equidigital number, since it uses as much as digits as its factorization.

553143131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 26.

The square root of 553143131 is about 23518.9951103358. The cubic root of 553143131 is about 820.8790548219.

The spelling of 553143131 in words is "five hundred fifty-three million, one hundred forty-three thousand, one hundred thirty-one".