213303002004 has 144 divisors (see below), whose sum is σ = 587898694656. Its totient is φ = 64943155200.

The previous prime is 213303001993. The next prime is 213303002039. The reversal of 213303002004 is 400200303312.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4770319 + ... + 4814825.

It is an arithmetic number, because the mean of its divisors is an integer number (4082629824).

Almost surely, 2^213303002004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213303002004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293949347328).

213303002004 is an abundant number, since it is smaller than the sum of its proper divisors (374595692652).

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

213303002004 is a wasteful number, since it uses less digits than its factorization.

213303002004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44766 (or 44761 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 213303002004 its reverse (400200303312), we get a palindrome (613503305316).

The spelling of 213303002004 in words is "two hundred thirteen billion, three hundred three million, two thousand, four".