213232013144 has 8 divisors (see below), whose sum is σ = 399810024660. Its totient is φ = 106616006568.

The previous prime is 213232013129. The next prime is 213232013167. The reversal of 213232013144 is 441310232312.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13327000814 + ... + 13327000829.

Almost surely, 2^213232013144 is an apocalyptic number.

It is an amenable number.

213232013144 is a deficient number, since it is larger than the sum of its proper divisors (186578011516).

213232013144 is a wasteful number, since it uses less digits than its factorization.

213232013144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26654001649 (or 26654001645 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 213232013144 its reverse (441310232312), we get a palindrome (654542245456).

The spelling of 213232013144 in words is "two hundred thirteen billion, two hundred thirty-two million, thirteen thousand, one hundred forty-four".