203110130 has 16 divisors (see below), whose sum is σ = 370004544. Its totient is φ = 80264880.

The previous prime is 203110121. The next prime is 203110153. The reversal of 203110130 is 31011302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121526 + ... + 123185.

It is an arithmetic number, because the mean of its divisors is an integer number (23125284).

Almost surely, 2^203110130 is an apocalyptic number.

203110130 is a deficient number, since it is larger than the sum of its proper divisors (166894414).

203110130 is a wasteful number, since it uses less digits than its factorization.

203110130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244801.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 203110130 is about 14251.6711300816. The cubic root of 203110130 is about 587.8193272327.

Adding to 203110130 its reverse (31011302), we get a palindrome (234121432).

The spelling of 203110130 in words is "two hundred three million, one hundred ten thousand, one hundred thirty".