213143403133234 has 24 divisors (see below), whose sum is σ = 375524299732608. Its totient is φ = 90460307012040.

The previous prime is 213143403133207. The next prime is 213143403133237. The reversal of 213143403133234 is 432331304341312.

It is a super-2 number, since 2×213143403133234² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213143403133193 and 213143403133202.

It is not an unprimeable number, because it can be changed into a prime (213143403133237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10557915562 + ... + 10557935749.

It is an arithmetic number, because the mean of its divisors is an integer number (15646845822192).

Almost surely, 2^{213143403133234} is an apocalyptic number.

213143403133234 is a deficient number, since it is larger than the sum of its proper divisors (162380896599374).

213143403133234 is a wasteful number, since it uses less digits than its factorization.

213143403133234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21115851430 (or 21115851423 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 37.

Adding to 213143403133234 its reverse (432331304341312), we get a palindrome (645474707474546).

The spelling of 213143403133234 in words is "two hundred thirteen trillion, one hundred forty-three billion, four hundred three million, one hundred thirty-three thousand, two hundred thirty-four".