213031343134 has 8 divisors (see below), whose sum is σ = 319752780480. Its totient is φ = 106447082976.

The previous prime is 213031343123. The next prime is 213031343137. The reversal of 213031343134 is 431343130312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213031343137) 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 3 ways as a sum of consecutive naturals, for example, 34290414 + ... + 34296625.

It is an arithmetic number, because the mean of its divisors is an integer number (39969097560).

Almost surely, 2^213031343134 is an apocalyptic number.

213031343134 is a deficient number, since it is larger than the sum of its proper divisors (106721437346).

213031343134 is a wasteful number, since it uses less digits than its factorization.

213031343134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68588594.

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

Adding to 213031343134 its reverse (431343130312), we get a palindrome (644374473446).

The spelling of 213031343134 in words is "two hundred thirteen billion, thirty-one million, three hundred forty-three thousand, one hundred thirty-four".