213003143344 has 20 divisors (see below), whose sum is σ = 423847472224. Its totient is φ = 103623150528.

The previous prime is 213003143329. The next prime is 213003143363. The reversal of 213003143344 is 443341300312.

It is a super-2 number, since 2×213003143344² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179900712 + ... + 179901895.

Almost surely, 2^213003143344 is an apocalyptic number.

It is an amenable number.

213003143344 is a deficient number, since it is larger than the sum of its proper divisors (210844328880).

213003143344 is a wasteful number, since it uses less digits than its factorization.

213003143344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359802652 (or 359802646 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 213003143344 its reverse (443341300312), we get a palindrome (656344443656).

The spelling of 213003143344 in words is "two hundred thirteen billion, three million, one hundred forty-three thousand, three hundred forty-four".