213053316630 has 192 divisors, whose sum is σ = 662692119552. Its totient is φ = 43328732160.

The previous prime is 213053316589. The next prime is 213053316643. The reversal of 213053316630 is 36613350312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 213053316591 and 213053316600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 619822 + ... + 900158.

It is an arithmetic number, because the mean of its divisors is an integer number (3451521456).

Almost surely, 2^213053316630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213053316630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331346059776).

213053316630 is an abundant number, since it is smaller than the sum of its proper divisors (449638802922).

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

213053316630 is a wasteful number, since it uses less digits than its factorization.

213053316630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280419 (or 280412 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 33.

Adding to 213053316630 its reverse (36613350312), we get a palindrome (249666666942).

The spelling of 213053316630 in words is "two hundred thirteen billion, fifty-three million, three hundred sixteen thousand, six hundred thirty".