203130076 has 12 divisors (see below), whose sum is σ = 376388208. Its totient is φ = 95590592.

The previous prime is 203130071. The next prime is 203130101. The reversal of 203130076 is 670031302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203130071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493536 + ... + 1493671.

It is an arithmetic number, because the mean of its divisors is an integer number (31365684).

Almost surely, 2^203130076 is an apocalyptic number.

It is an amenable number.

203130076 is a deficient number, since it is larger than the sum of its proper divisors (173258132).

203130076 is a wasteful number, since it uses less digits than its factorization.

203130076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987228 (or 2987226 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 203130076 is about 14252.3708904870. The cubic root of 203130076 is about 587.8385684535.

Adding to 203130076 its reverse (670031302), we get a palindrome (873161378).

The spelling of 203130076 in words is "two hundred three million, one hundred thirty thousand, seventy-six".