203311331312130 has 48 divisors (see below), whose sum is σ = 529272710608824. Its totient is φ = 54148329457920.

The previous prime is 203311331312087. The next prime is 203311331312269. The reversal of 203311331312130 is 31213133113302.

203311331312130 is a `hidden beast` number, since 2 + 0 + 3 + 3 + 1 + 1 + 331 + 312 + 13 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 181511947733769 + 21799383578361 = 13472637^2 + 4668981^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203311331312094 and 203311331312103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1417127011 + ... + 1417270470.

Almost surely, 2^{203311331312130} is an apocalyptic number.

203311331312130 is an abundant number, since it is smaller than the sum of its proper divisors (325961379296694).

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

203311331312130 is a wasteful number, since it uses less digits than its factorization.

203311331312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834398291 (or 2834398288 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 203311331312130 its reverse (31213133113302), we get a palindrome (234524464425432).

The spelling of 203311331312130 in words is "two hundred three trillion, three hundred eleven billion, three hundred thirty-one million, three hundred twelve thousand, one hundred thirty".