213305503312 has 20 divisors (see below), whose sum is σ = 450850268736. Its totient is φ = 96957046880.

The previous prime is 213305503253. The next prime is 213305503427.

213305503312 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605981368 + ... + 605981719.

Almost surely, 2^213305503312 is an apocalyptic number.

213305503312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213305503312 is an abundant number, since it is smaller than the sum of its proper divisors (237544765424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213305503312 is a wasteful number, since it uses less digits than its factorization.

213305503312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211963106 (or 1211963100 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

It can be divided in two parts, 213305 and 503312, that added together give a palindrome (716617).

The spelling of 213305503312 in words is "two hundred thirteen billion, three hundred five million, five hundred three thousand, three hundred twelve".