203130112 has 36 divisors (see below), whose sum is σ = 423108000. Its totient is φ = 97146368.

The previous prime is 203130107. The next prime is 203130139. The reversal of 203130112 is 211031302.

It is a super-2 number, since 2×203130112² = 82523684802265088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203130092 and 203130101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11362 + ... + 23137.

It is an arithmetic number, because the mean of its divisors is an integer number (11753000).

Almost surely, 2^203130112 is an apocalyptic number.

It is an amenable number.

203130112 is an abundant number, since it is smaller than the sum of its proper divisors (219977888).

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

203130112 is an equidigital number, since it uses as much as digits as its factorization.

203130112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34538 (or 34524 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 203130112 is about 14252.3721534347. The cubic root of 203130112 is about 587.8386031803.

Adding to 203130112 its reverse (211031302), we get a palindrome (414161414).

The spelling of 203130112 in words is "two hundred three million, one hundred thirty thousand, one hundred twelve".