203190030 has 24 divisors (see below), whose sum is σ = 528294312. Its totient is φ = 54183984.

The previous prime is 203190019. The next prime is 203190049. The reversal of 203190030 is 30091302.

203190030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 203189985 and 203190012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1128744 + ... + 1128923.

It is an arithmetic number, because the mean of its divisors is an integer number (22012263).

Almost surely, 2^203190030 is an apocalyptic number.

203190030 is an abundant number, since it is smaller than the sum of its proper divisors (325104282).

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

203190030 is a wasteful number, since it uses less digits than its factorization.

203190030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257680 (or 2257677 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 203190030 is about 14254.4740344918. The cubic root of 203190030 is about 587.8963964348.

The spelling of 203190030 in words is "two hundred three million, one hundred ninety thousand, thirty".