202130031125 has 24 divisors (see below), whose sum is σ = 277275649560. Its totient is φ = 147003648000.

The previous prime is 202130031121. The next prime is 202130031133. The reversal of 202130031125 is 521130031202.

202130031125 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 4 ways, for example, as 22320957604 + 179809073521 = 149402^2 + 424039^2 .

It is not a de Polignac number, because 202130031125 - 2² = 202130031121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202130031097 and 202130031106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202130031121) by changing a digit.

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, 6666860 + ... + 6697109.

It is an arithmetic number, because the mean of its divisors is an integer number (11553152065).

Almost surely, 2^202130031125 is an apocalyptic number.

202130031125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202130031125 is a deficient number, since it is larger than the sum of its proper divisors (75145618435).

202130031125 is a wasteful number, since it uses less digits than its factorization.

202130031125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13364006 (or 13363985 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 202130031125 its reverse (521130031202), we get a palindrome (723260062327).

The spelling of 202130031125 in words is "two hundred two billion, one hundred thirty million, thirty-one thousand, one hundred twenty-five".