202113103331 has 4 divisors (see below), whose sum is σ = 202146588432. Its totient is φ = 202079618232.

The previous prime is 202113103303. The next prime is 202113103349. The reversal of 202113103331 is 133301311202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202113103331 - 2¹⁰ = 202113102307 is a prime.

It is a super-2 number, since 2×202113103331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202113103351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16733495 + ... + 16745568.

It is an arithmetic number, because the mean of its divisors is an integer number (50536647108).

Almost surely, 2^202113103331 is an apocalyptic number.

202113103331 is a deficient number, since it is larger than the sum of its proper divisors (33485101).

202113103331 is an equidigital number, since it uses as much as digits as its factorization.

202113103331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33485100.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 202113103331 its reverse (133301311202), we get a palindrome (335414414533).

The spelling of 202113103331 in words is "two hundred two billion, one hundred thirteen million, one hundred three thousand, three hundred thirty-one".