202130351 has 4 divisors (see below), whose sum is σ = 202179600. Its totient is φ = 202081104.

The previous prime is 202130339. The next prime is 202130359. The reversal of 202130351 is 153031202.

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-202130351 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 (202130359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17846 + ... + 26883.

It is an arithmetic number, because the mean of its divisors is an integer number (50544900).

Almost surely, 2^202130351 is an apocalyptic number.

202130351 is a deficient number, since it is larger than the sum of its proper divisors (49249).

202130351 is an equidigital number, since it uses as much as digits as its factorization.

202130351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49248.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 202130351 is about 14217.2553961726. The cubic root of 202130351 is about 586.8726132508.

Adding to 202130351 its reverse (153031202), we get a palindrome (355161553).

The spelling of 202130351 in words is "two hundred two million, one hundred thirty thousand, three hundred fifty-one".