213331323123134 has 16 divisors (see below), whose sum is σ = 324450988238160. Its totient is φ = 105185744648640.

The previous prime is 213331323123133. The next prime is 213331323123161. The reversal of 213331323123134 is 431321323133312.

It is a junction number, because it is equal to n+sod(n) for n = 213331323123094 and 213331323123103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213331323123133) 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, 1187644439 + ... + 1187824050.

It is an arithmetic number, because the mean of its divisors is an integer number (20278186764885).

Almost surely, 2^{213331323123134} is an apocalyptic number.

213331323123134 is a deficient number, since it is larger than the sum of its proper divisors (111119665115026).

213331323123134 is a wasteful number, since it uses less digits than its factorization.

213331323123134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375469115.

The product of its digits is 69984, while the sum is 35.

Adding to 213331323123134 its reverse (431321323133312), we get a palindrome (644652646256446).

The spelling of 213331323123134 in words is "two hundred thirteen trillion, three hundred thirty-one billion, three hundred twenty-three million, one hundred twenty-three thousand, one hundred thirty-four".