203311211130 has 48 divisors (see below), whose sum is σ = 529281009504. Its totient is φ = 54147414240.

The previous prime is 203311211113. The next prime is 203311211179. The reversal of 203311211130 is 31112113302.

203311211130 is a `hidden beast` number, since 203 + 311 + 21 + 1 + 130 = 666.

It is a super-2 number, since 2×203311211130² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1364376 + ... + 1506035.

It is an arithmetic number, because the mean of its divisors is an integer number (11026687698).

Almost surely, 2^203311211130 is an apocalyptic number.

203311211130 is an abundant number, since it is smaller than the sum of its proper divisors (325969798374).

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

203311211130 is a wasteful number, since it uses less digits than its factorization.

203311211130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871211 (or 2871208 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 203311211130 its reverse (31112113302), we get a palindrome (234423324432).

The spelling of 203311211130 in words is "two hundred three billion, three hundred eleven million, two hundred eleven thousand, one hundred thirty".