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255102431 is a prime number
BaseRepresentation
bin11110011010010…
…00110111011111
3122210000112202012
433031020313133
51010301234211
641151421435
76215222603
oct1715106737
9583015665
10255102431
11120aa9261
127152487b
1340b0acac
1425c47503
15175e0d8b
hexf348ddf

255102431 has 2 divisors, whose sum is σ = 255102432. Its totient is φ = 255102430.

The previous prime is 255102377. The next prime is 255102437. The reversal of 255102431 is 134201552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-255102431 is a prime.

It is a super-2 number, since 2×2551024312 = 130154500604219522, 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 = 255102397 and 255102406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255102437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127551215 + 127551216.

It is an arithmetic number, because the mean of its divisors is an integer number (127551216).

Almost surely, 2255102431 is an apocalyptic number.

255102431 is a deficient number, since it is larger than the sum of its proper divisors (1).

255102431 is an equidigital number, since it uses as much as digits as its factorization.

255102431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 255102431 is about 15971.9263396749. The cubic root of 255102431 is about 634.2174674510.

Adding to 255102431 its reverse (134201552), we get a palindrome (389303983).

The spelling of 255102431 in words is "two hundred fifty-five million, one hundred two thousand, four hundred thirty-one".