213030331012 has 24 divisors (see below), whose sum is σ = 382390108632. Its totient is φ = 103782739200.

The previous prime is 213030330967. The next prime is 213030331039. The reversal of 213030331012 is 210133030312.

It can be written as a sum of positive squares in 4 ways, for example, as 48530327616 + 164500003396 = 220296^2 + 405586^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713439 + ... + 966982.

It is an arithmetic number, because the mean of its divisors is an integer number (15932921193).

Almost surely, 2^213030331012 is an apocalyptic number.

It is an amenable number.

213030331012 is a deficient number, since it is larger than the sum of its proper divisors (169359777620).

213030331012 is a wasteful number, since it uses less digits than its factorization.

213030331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681239 (or 1681237 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 213030331012 its reverse (210133030312), we get a palindrome (423163361324).

The spelling of 213030331012 in words is "two hundred thirteen billion, thirty million, three hundred thirty-one thousand, twelve".