213033011144 has 8 divisors (see below), whose sum is σ = 399436895910. Its totient is φ = 106516505568.

The previous prime is 213033011111. The next prime is 213033011167. The reversal of 213033011144 is 441110330312.

It can be written as a sum of positive squares in only one way, i.e., 212788464100 + 244547044 = 461290^2 + 15638^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13314563189 + ... + 13314563204.

Almost surely, 2^213033011144 is an apocalyptic number.

It is an amenable number.

213033011144 is a deficient number, since it is larger than the sum of its proper divisors (186403884766).

213033011144 is a wasteful number, since it uses less digits than its factorization.

213033011144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26629126399 (or 26629126395 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 213033011144 its reverse (441110330312), we get a palindrome (654143341456).

The spelling of 213033011144 in words is "two hundred thirteen billion, thirty-three million, eleven thousand, one hundred forty-four".