203011020130 has 8 divisors (see below), whose sum is σ = 365419836252. Its totient is φ = 81204408048.

The previous prime is 203011020101. The next prime is 203011020133. The reversal of 203011020130 is 31020110302.

It can be written as a sum of positive squares in 2 ways, for example, as 202979984089 + 31036041 = 450533^2 + 5571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 203011020130.

It is not an unprimeable number, because it can be changed into a prime (203011020133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10150550997 + ... + 10150551016.

Almost surely, 2^203011020130 is an apocalyptic number.

203011020130 is a deficient number, since it is larger than the sum of its proper divisors (162408816122).

203011020130 is a wasteful number, since it uses less digits than its factorization.

203011020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20301102020.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 203011020130 its reverse (31020110302), we get a palindrome (234031130432).

The spelling of 203011020130 in words is "two hundred three billion, eleven million, twenty thousand, one hundred thirty".