203130302 has 4 divisors (see below), whose sum is σ = 304695456. Its totient is φ = 101565150.

The previous prime is 203130293. The next prime is 203130337. The reversal of 203130302 is 203031302.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×203130302² = 82523839181222408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50782574 + ... + 50782577.

It is an arithmetic number, because the mean of its divisors is an integer number (76173864).

Almost surely, 2^203130302 is an apocalyptic number.

203130302 is a deficient number, since it is larger than the sum of its proper divisors (101565154).

203130302 is a wasteful number, since it uses less digits than its factorization.

203130302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101565153.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 203130302 is about 14252.3788189902. The cubic root of 203130302 is about 587.8387864607.

Adding to 203130302 its reverse (203031302), we get a palindrome (406161604).

The spelling of 203130302 in words is "two hundred three million, one hundred thirty thousand, three hundred two".