203112110332230 has 32 divisors (see below), whose sum is σ = 531784434325248. Its totient is φ = 49239299474400.

The previous prime is 203112110332217. The next prime is 203112110332247. The reversal of 203112110332230 is 32233011211302.

It is a super-2 number, since 2×203112110332230² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203112110332230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307745621386 + ... + 307745622045.

It is an arithmetic number, because the mean of its divisors is an integer number (16618263572664).

Almost surely, 2^{203112110332230} is an apocalyptic number.

203112110332230 is an abundant number, since it is smaller than the sum of its proper divisors (328672323993018).

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

203112110332230 is a wasteful number, since it uses less digits than its factorization.

203112110332230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615491243452.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 203112110332230 its reverse (32233011211302), we get a palindrome (235345121543532).

The spelling of 203112110332230 in words is "two hundred three trillion, one hundred twelve billion, one hundred ten million, three hundred thirty-two thousand, two hundred thirty".