202130420311 has 4 divisors (see below), whose sum is σ = 202131373000. Its totient is φ = 202129467624.

The previous prime is 202130420273. The next prime is 202130420329. The reversal of 202130420311 is 113024031202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 202130420311 - 2²⁵ = 202096865879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202130420341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2080 + ... + 635818.

It is an arithmetic number, because the mean of its divisors is an integer number (50532843250).

Almost surely, 2^202130420311 is an apocalyptic number.

202130420311 is a deficient number, since it is larger than the sum of its proper divisors (952689).

202130420311 is an equidigital number, since it uses as much as digits as its factorization.

202130420311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952688.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 202130420311 its reverse (113024031202), we get a palindrome (315154451513).

The spelling of 202130420311 in words is "two hundred two billion, one hundred thirty million, four hundred twenty thousand, three hundred eleven".