213133122330 has 32 divisors (see below), whose sum is σ = 541608876864. Its totient is φ = 53492234496.

The previous prime is 213133122329. The next prime is 213133122359. The reversal of 213133122330 is 33221331312.

It is a self number, because there is not a number n which added to its sum of digits gives 213133122330.

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, 208953532 + ... + 208954551.

It is an arithmetic number, because the mean of its divisors is an integer number (16925277402).

Almost surely, 2^213133122330 is an apocalyptic number.

213133122330 is an abundant number, since it is smaller than the sum of its proper divisors (328475754534).

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

213133122330 is a wasteful number, since it uses less digits than its factorization.

213133122330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417908110.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 213133122330 its reverse (33221331312), we get a palindrome (246354453642).

The spelling of 213133122330 in words is "two hundred thirteen billion, one hundred thirty-three million, one hundred twenty-two thousand, three hundred thirty".