213250312255 has 32 divisors (see below), whose sum is σ = 285497784000. Its totient is φ = 151962826752.

The previous prime is 213250312211. The next prime is 213250312267. The reversal of 213250312255 is 552213052312.

It is a cyclic number.

It is not a de Polignac number, because 213250312255 - 2¹⁹ = 213249787967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1570821 + ... + 1701169.

It is an arithmetic number, because the mean of its divisors is an integer number (8921805750).

Almost surely, 2^213250312255 is an apocalyptic number.

213250312255 is a deficient number, since it is larger than the sum of its proper divisors (72247471745).

213250312255 is a wasteful number, since it uses less digits than its factorization.

213250312255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131403.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 213250312255 its reverse (552213052312), we get a palindrome (765463364567).

The spelling of 213250312255 in words is "two hundred thirteen billion, two hundred fifty million, three hundred twelve thousand, two hundred fifty-five".