255311030 has 64 divisors (see below), whose sum is σ = 508032000. Its totient is φ = 91808640.

The previous prime is 255310987. The next prime is 255311051. The reversal of 255311030 is 30113552.

It is a junction number, because it is equal to n+sod(n) for n = 255310993 and 255311011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1282871 + ... + 1283069.

It is an arithmetic number, because the mean of its divisors is an integer number (7938000).

Almost surely, 2^255311030 is an apocalyptic number.

255311030 is a deficient number, since it is larger than the sum of its proper divisors (252720970).

255311030 is a wasteful number, since it uses less digits than its factorization.

255311030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 255311030 is about 15978.4551819004. The cubic root of 255311030 is about 634.3902883387.

Adding to 255311030 its reverse (30113552), we get a palindrome (285424582).

The spelling of 255311030 in words is "two hundred fifty-five million, three hundred eleven thousand, thirty".