221030131313202 has 64 divisors (see below), whose sum is σ = 466469343244800. Its totient is φ = 69627599205120.

The previous prime is 221030131313177. The next prime is 221030131313209. The reversal of 221030131313202 is 202313131030122.

It is not an unprimeable number, because it can be changed into a prime (221030131313209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 726703177 + ... + 727007267.

It is an arithmetic number, because the mean of its divisors is an integer number (7288583488200).

Almost surely, 2^{221030131313202} is an apocalyptic number.

221030131313202 is an abundant number, since it is smaller than the sum of its proper divisors (245439211931598).

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

221030131313202 is a wasteful number, since it uses less digits than its factorization.

221030131313202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319751.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 221030131313202 its reverse (202313131030122), we get a palindrome (423343262343324).

The spelling of 221030131313202 in words is "two hundred twenty-one trillion, thirty billion, one hundred thirty-one million, three hundred thirteen thousand, two hundred two".