213003223134 has 64 divisors (see below), whose sum is σ = 476412088320. Its totient is φ = 63045365760.

The previous prime is 213003223129. The next prime is 213003223151. The reversal of 213003223134 is 431322300312.

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, 140062 + ... + 667550.

It is an arithmetic number, because the mean of its divisors is an integer number (7443938880).

Almost surely, 2^213003223134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213003223134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238206044160).

213003223134 is an abundant number, since it is smaller than the sum of its proper divisors (263408865186).

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

213003223134 is a wasteful number, since it uses less digits than its factorization.

213003223134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527705.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213003223134 its reverse (431322300312), we get a palindrome (644325523446).

The spelling of 213003223134 in words is "two hundred thirteen billion, three million, two hundred twenty-three thousand, one hundred thirty-four".