202102310300030 has 32 divisors (see below), whose sum is σ = 415795892599296. Its totient is φ = 69285125915424.

The previous prime is 202102310299991. The next prime is 202102310300039. The reversal of 202102310300030 is 30003013201202.

It is a super-2 number, since 2×202102310300030² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202102310299981 and 202102310300008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102310300039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147118904 + ... + 148486283.

It is an arithmetic number, because the mean of its divisors is an integer number (12993621643728).

Almost surely, 2^{202102310300030} is an apocalyptic number.

202102310300030 is an abundant number, since it is smaller than the sum of its proper divisors (213693582299266).

202102310300030 is a wasteful number, since it uses less digits than its factorization.

202102310300030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295614968.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 202102310300030 its reverse (30003013201202), we get a palindrome (232105323501232).

The spelling of 202102310300030 in words is "two hundred two trillion, one hundred two billion, three hundred ten million, three hundred thousand, thirty".