213003044442 has 32 divisors (see below), whose sum is σ = 473413008960. Its totient is φ = 70990078320.

The previous prime is 213003044363. The next prime is 213003044453. The reversal of 213003044442 is 244440300312.

It is a happy number.

213003044442 is a `hidden beast` number, since 213 + 0 + 0 + 3 + 0 + 4 + 4 + 442 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53892 + ... + 654912.

It is an arithmetic number, because the mean of its divisors is an integer number (14794156530).

Almost surely, 2^213003044442 is an apocalyptic number.

213003044442 is an abundant number, since it is smaller than the sum of its proper divisors (260409964518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213003044442 is a wasteful number, since it uses less digits than its factorization.

213003044442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607595 (or 607589 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 213003044442 its reverse (244440300312), we get a palindrome (457443344754).

The spelling of 213003044442 in words is "two hundred thirteen billion, three million, forty-four thousand, four hundred forty-two".