203103992 has 64 divisors (see below), whose sum is σ = 471952320. Its totient is φ = 79792128.

The previous prime is 203103983. The next prime is 203104043. The reversal of 203103992 is 299301302.

203103992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 113408 + ... + 115184.

It is an arithmetic number, because the mean of its divisors is an integer number (7374255).

Almost surely, 2^203103992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203103992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235976160).

203103992 is an abundant number, since it is smaller than the sum of its proper divisors (268848328).

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

203103992 is a wasteful number, since it uses less digits than its factorization.

203103992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 203103992 is about 14251.4557852873. The cubic root of 203103992 is about 587.8134058616.

The spelling of 203103992 in words is "two hundred three million, one hundred three thousand, nine hundred ninety-two".