202123031300 has 72 divisors (see below), whose sum is σ = 462292677000. Its totient is φ = 76588395520.

The previous prime is 202123031267. The next prime is 202123031321. The reversal of 202123031300 is 3130321202.

202123031300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 12487168516 + 189635862784 = 111746^2 + 435472^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 503825 + ... + 811224.

It is an arithmetic number, because the mean of its divisors is an integer number (6420731625).

Almost surely, 2^202123031300 is an apocalyptic number.

202123031300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202123031300 is an abundant number, since it is smaller than the sum of its proper divisors (260169645700).

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

202123031300 is a wasteful number, since it uses less digits than its factorization.

202123031300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315145 (or 1315138 counting only the distinct ones).

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

Adding to 202123031300 its reverse (3130321202), we get a palindrome (205253352502).

The spelling of 202123031300 in words is "two hundred two billion, one hundred twenty-three million, thirty-one thousand, three hundred".