213232134044 has 6 divisors (see below), whose sum is σ = 373156234584. Its totient is φ = 106616067020.

The previous prime is 213232134041. The next prime is 213232134067. The reversal of 213232134044 is 440431232312.

It is a junction number, because it is equal to n+sod(n) for n = 213232133998 and 213232134016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213232134041) 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 as a sum of consecutive naturals, namely, 26654016752 + ... + 26654016759.

It is an arithmetic number, because the mean of its divisors is an integer number (62192705764).

Almost surely, 2^213232134044 is an apocalyptic number.

It is an amenable number.

213232134044 is a deficient number, since it is larger than the sum of its proper divisors (159924100540).

213232134044 is a wasteful number, since it uses less digits than its factorization.

213232134044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53308033515 (or 53308033513 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 213232134044 its reverse (440431232312), we get a palindrome (653663366356).

The spelling of 213232134044 in words is "two hundred thirteen billion, two hundred thirty-two million, one hundred thirty-four thousand, forty-four".