202201031304 has 48 divisors (see below), whose sum is σ = 579841196220. Its totient is φ = 63435617280.

The previous prime is 202201031299. The next prime is 202201031339. The reversal of 202201031304 is 403130102202.

It can be written as a sum of positive squares in 2 ways, for example, as 165413024100 + 36788007204 = 406710^2 + 191802^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82597237 + ... + 82599684.

Almost surely, 2^202201031304 is an apocalyptic number.

202201031304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

202201031304 is an abundant number, since it is smaller than the sum of its proper divisors (377640164916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202201031304 is a wasteful number, since it uses less digits than its factorization.

202201031304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165196950 (or 165196943 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202201031304 its reverse (403130102202), we get a palindrome (605331133506).

The spelling of 202201031304 in words is "two hundred two billion, two hundred one million, thirty-one thousand, three hundred four".