203130320330 has 16 divisors (see below), whose sum is σ = 417868087680. Its totient is φ = 69644681232.

The previous prime is 203130320321. The next prime is 203130320339. The reversal of 203130320330 is 33023031302.

It is an interprime number because it is at equal distance from previous prime (203130320321) and next prime (203130320339).

It is a super-2 number, since 2×203130320330² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203130320339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450930790 + ... + 1450930929.

It is an arithmetic number, because the mean of its divisors is an integer number (26116755480).

Almost surely, 2^203130320330 is an apocalyptic number.

203130320330 is an abundant number, since it is smaller than the sum of its proper divisors (214737767350).

203130320330 is a wasteful number, since it uses less digits than its factorization.

203130320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901861733.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 203130320330 its reverse (33023031302), we get a palindrome (236153351632).

The spelling of 203130320330 in words is "two hundred three billion, one hundred thirty million, three hundred twenty thousand, three hundred thirty".