255231430 has 16 divisors (see below), whose sum is σ = 461728800. Its totient is φ = 101578752.

The previous prime is 255231419. The next prime is 255231443. The reversal of 255231430 is 34132552.

It is a junction number, because it is equal to n+sod(n) for n = 255231395 and 255231404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62139 + ... + 66118.

It is an arithmetic number, because the mean of its divisors is an integer number (28858050).

Almost surely, 2^255231430 is an apocalyptic number.

255231430 is a deficient number, since it is larger than the sum of its proper divisors (206497370).

255231430 is a wasteful number, since it uses less digits than its factorization.

255231430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128463.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 255231430 is about 15975.9641336603. The cubic root of 255231430 is about 634.3243521408.

Adding to 255231430 its reverse (34132552), we get a palindrome (289363982).

The spelling of 255231430 in words is "two hundred fifty-five million, two hundred thirty-one thousand, four hundred thirty".