203152130 has 32 divisors (see below), whose sum is σ = 375662448. Its totient is φ = 79052800.

The previous prime is 203152109. The next prime is 203152133. The reversal of 203152130 is 31251302.

It can be written as a sum of positive squares in 8 ways, for example, as 30991489 + 172160641 = 5567^2 + 13121^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203152099 and 203152108.

It is not an unprimeable number, because it can be changed into a prime (203152133) 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 15 ways as a sum of consecutive naturals, for example, 262424 + ... + 263196.

Almost surely, 2^203152130 is an apocalyptic number.

203152130 is a deficient number, since it is larger than the sum of its proper divisors (172510318).

203152130 is a wasteful number, since it uses less digits than its factorization.

203152130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 203152130 is about 14253.1445653231. The cubic root of 203152130 is about 587.8598417231.

The spelling of 203152130 in words is "two hundred three million, one hundred fifty-two thousand, one hundred thirty".