203130031312130 has 128 divisors (see below), whose sum is σ = 410379332622336. Its totient is φ = 71883255859200.

The previous prime is 203130031312111. The next prime is 203130031312141. The reversal of 203130031312130 is 31213130031302.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 203130031312096 and 203130031312105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1526848094 + ... + 1526981126.

It is an arithmetic number, because the mean of its divisors is an integer number (3206088536112).

Almost surely, 2^{203130031312130} is an apocalyptic number.

203130031312130 is an abundant number, since it is smaller than the sum of its proper divisors (207249301310206).

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

203130031312130 is a wasteful number, since it uses less digits than its factorization.

203130031312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136732.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 203130031312130 its reverse (31213130031302), we get a palindrome (234343161343432).

The spelling of 203130031312130 in words is "two hundred three trillion, one hundred thirty billion, thirty-one million, three hundred twelve thousand, one hundred thirty".