203001130144 has 12 divisors (see below), whose sum is σ = 399658475034. Its totient is φ = 101500565056.

The previous prime is 203001130117. The next prime is 203001130169. The reversal of 203001130144 is 441031100302.

It can be written as a sum of positive squares in only one way, i.e., 167886867600 + 35114262544 = 409740^2 + 187388^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3171892627 + ... + 3171892690.

Almost surely, 2^203001130144 is an apocalyptic number.

It is an amenable number.

203001130144 is a deficient number, since it is larger than the sum of its proper divisors (196657344890).

203001130144 is an equidigital number, since it uses as much as digits as its factorization.

203001130144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343785327 (or 6343785319 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203001130144 its reverse (441031100302), we get a palindrome (644032230446).

The spelling of 203001130144 in words is "two hundred three billion, one million, one hundred thirty thousand, one hundred forty-four".