213143031433244 has 24 divisors (see below), whose sum is σ = 407113593117168. Its totient is φ = 96834584327040.

The previous prime is 213143031433237. The next prime is 213143031433271. The reversal of 213143031433244 is 442334130341312.

It is a junction number, because it is equal to n+sod(n) for n = 213143031433198 and 213143031433207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215205787 + ... + 1215381170.

It is an arithmetic number, because the mean of its divisors is an integer number (16963066379882).

Almost surely, 2^{213143031433244} is an apocalyptic number.

It is an amenable number.

213143031433244 is a deficient number, since it is larger than the sum of its proper divisors (193970561683924).

213143031433244 is a wasteful number, since it uses less digits than its factorization.

213143031433244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430588965 (or 2430588963 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 38.

Adding to 213143031433244 its reverse (442334130341312), we get a palindrome (655477161774556).

The spelling of 213143031433244 in words is "two hundred thirteen trillion, one hundred forty-three billion, thirty-one million, four hundred thirty-three thousand, two hundred forty-four".