213013231210 has 32 divisors (see below), whose sum is σ = 420708874320. Its totient is φ = 77167054848.

The previous prime is 213013231201. The next prime is 213013231213. The reversal of 213013231210 is 12132310312.

It can be written as a sum of positive squares in 8 ways, for example, as 79406167681 + 133607063529 = 281791^2 + 365523^2 .

It is not an unprimeable number, because it can be changed into a prime (213013231213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15451255 + ... + 15465034.

Almost surely, 2^213013231210 is an apocalyptic number.

213013231210 is a deficient number, since it is larger than the sum of its proper divisors (207695643110).

213013231210 is a wasteful number, since it uses less digits than its factorization.

213013231210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30916362.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213013231210 its reverse (12132310312), we get a palindrome (225145541522).

The spelling of 213013231210 in words is "two hundred thirteen billion, thirteen million, two hundred thirty-one thousand, two hundred ten".