203142108 has 48 divisors (see below), whose sum is σ = 515553696. Its totient is φ = 61881600.

The previous prime is 203142103. The next prime is 203142109. The reversal of 203142108 is 801241302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203142103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9310 + ... + 22202.

It is an arithmetic number, because the mean of its divisors is an integer number (10740702).

Almost surely, 2^203142108 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 203142108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257776848).

203142108 is an abundant number, since it is smaller than the sum of its proper divisors (312411588).

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

203142108 is a wasteful number, since it uses less digits than its factorization.

203142108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13014 (or 13012 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 203142108 is about 14252.7929894460. The cubic root of 203142108 is about 587.8501747013.

It can be divided in two parts, 20314 and 2108, that added together give a palindrome (22422).

The spelling of 203142108 in words is "two hundred three million, one hundred forty-two thousand, one hundred eight".