202231133213 has 2 divisors, whose sum is σ = 202231133214. Its totient is φ = 202231133212.

The previous prime is 202231133141. The next prime is 202231133249. The reversal of 202231133213 is 312331132202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200083552249 + 2147580964 = 447307^2 + 46342^2 .

It is a cyclic number.

It is not a de Polignac number, because 202231133213 - 2¹⁰ = 202231132189 is a prime.

It is a super-2 number, since 2×202231133213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202231133263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101115566606 + 101115566607.

It is an arithmetic number, because the mean of its divisors is an integer number (101115566607).

Almost surely, 2^202231133213 is an apocalyptic number.

It is an amenable number.

202231133213 is a deficient number, since it is larger than the sum of its proper divisors (1).

202231133213 is an equidigital number, since it uses as much as digits as its factorization.

202231133213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 202231133213 its reverse (312331132202), we get a palindrome (514562265415).

The spelling of 202231133213 in words is "two hundred two billion, two hundred thirty-one million, one hundred thirty-three thousand, two hundred thirteen".