251255334230 has 32 divisors (see below), whose sum is σ = 455953065984. Its totient is φ = 99684458496.

The previous prime is 251255334217. The next prime is 251255334263. The reversal of 251255334230 is 32433552152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457259 + ... + 843561.

It is an arithmetic number, because the mean of its divisors is an integer number (14248533312).

Almost surely, 2^251255334230 is an apocalyptic number.

251255334230 is a deficient number, since it is larger than the sum of its proper divisors (204697731754).

251255334230 is a wasteful number, since it uses less digits than its factorization.

251255334230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386840.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 251255334230 its reverse (32433552152), we get a palindrome (283688886382).

The spelling of 251255334230 in words is "two hundred fifty-one billion, two hundred fifty-five million, three hundred thirty-four thousand, two hundred thirty".