213310033434 has 24 divisors (see below), whose sum is σ = 469748327412. Its totient is φ = 69937715520.

The previous prime is 213310033421. The next prime is 213310033439. The reversal of 213310033434 is 434330013312.

213310033434 is a `hidden beast` number, since 2 + 1 + 3 + 310 + 0 + 3 + 343 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 212682380625 + 627652809 = 461175^2 + 25053^2 .

It is a super-2 number, since 2×213310033434² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213310033398 and 213310033407.

It is not an unprimeable number, because it can be changed into a prime (213310033439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97134619 + ... + 97136814.

Almost surely, 2^213310033434 is an apocalyptic number.

213310033434 is an abundant number, since it is smaller than the sum of its proper divisors (256438293978).

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

213310033434 is a wasteful number, since it uses less digits than its factorization.

213310033434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194271502 (or 194271499 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 213310033434 its reverse (434330013312), we get a palindrome (647640046746).

The spelling of 213310033434 in words is "two hundred thirteen billion, three hundred ten million, thirty-three thousand, four hundred thirty-four".