202113113230331 has 4 divisors (see below), whose sum is σ = 202164061838592. Its totient is φ = 202062164622072.

The previous prime is 202113113230219. The next prime is 202113113230351. The reversal of 202113113230331 is 133032311311202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202113113230331 is a prime.

It is a super-2 number, since 2×202113113230331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202113113230331.

It is not an unprimeable number, because it can be changed into a prime (202113113230351) 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, 25474298180 + ... + 25474306113.

It is an arithmetic number, because the mean of its divisors is an integer number (50541015459648).

Almost surely, 2^{202113113230331} is an apocalyptic number.

202113113230331 is a deficient number, since it is larger than the sum of its proper divisors (50948608261).

202113113230331 is an equidigital number, since it uses as much as digits as its factorization.

202113113230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50948608260.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 202113113230331 its reverse (133032311311202), we get a palindrome (335145424541533).

The spelling of 202113113230331 in words is "two hundred two trillion, one hundred thirteen billion, one hundred thirteen million, two hundred thirty thousand, three hundred thirty-one".