213232312134 has 16 divisors (see below), whose sum is σ = 473849582640. Its totient is φ = 71077437360.

The previous prime is 213232312133. The next prime is 213232312147. The reversal of 213232312134 is 431213232312.

213232312134 is a `hidden beast` number, since 21 + 323 + 2 + 312 + 1 + 3 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 213232312098 and 213232312107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213232312133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974373207 + ... + 1974373314.

It is an arithmetic number, because the mean of its divisors is an integer number (29615598915).

Almost surely, 2^213232312134 is an apocalyptic number.

213232312134 is an abundant number, since it is smaller than the sum of its proper divisors (260617270506).

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

213232312134 is a wasteful number, since it uses less digits than its factorization.

213232312134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948746532 (or 3948746526 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 213232312134 its reverse (431213232312), we get a palindrome (644445544446).

The spelling of 213232312134 in words is "two hundred thirteen billion, two hundred thirty-two million, three hundred twelve thousand, one hundred thirty-four".