213231321334 has 32 divisors (see below), whose sum is σ = 353075928480. Its totient is φ = 96161275392.

The previous prime is 213231321319. The next prime is 213231321341. The reversal of 213231321334 is 433123132312.

213231321334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298449 + ... + 1453420.

It is an arithmetic number, because the mean of its divisors is an integer number (11033622765).

Almost surely, 2^213231321334 is an apocalyptic number.

213231321334 is a deficient number, since it is larger than the sum of its proper divisors (139844607146).

213231321334 is a wasteful number, since it uses less digits than its factorization.

213231321334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751984.

The product of its digits is 7776, while the sum is 28.

Adding to 213231321334 its reverse (433123132312), we get a palindrome (646354453646).

The spelling of 213231321334 in words is "two hundred thirteen billion, two hundred thirty-one million, three hundred twenty-one thousand, three hundred thirty-four".