203313311130 has 32 divisors (see below), whose sum is σ = 497158591104. Its totient is φ = 53193922496.

The previous prime is 203313311029. The next prime is 203313311147. The reversal of 203313311130 is 31113313302.

It is a junction number, because it is equal to n+sod(n) for n = 203313311097 and 203313311106.

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 15 ways as a sum of consecutive naturals, for example, 63933414 + ... + 63936593.

It is an arithmetic number, because the mean of its divisors is an integer number (15536205972).

Almost surely, 2^203313311130 is an apocalyptic number.

203313311130 is an abundant number, since it is smaller than the sum of its proper divisors (293845279974).

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

203313311130 is a wasteful number, since it uses less digits than its factorization.

203313311130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127870070.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 203313311130 its reverse (31113313302), we get a palindrome (234426624432).

The spelling of 203313311130 in words is "two hundred three billion, three hundred thirteen million, three hundred eleven thousand, one hundred thirty".