203230103130 has 48 divisors (see below), whose sum is σ = 542679311304. Its totient is φ = 52729971840.

The previous prime is 203230103117. The next prime is 203230103177. The reversal of 203230103130 is 31301032302.

203230103130 is a `hidden beast` number, since 20 + 32 + 301 + 0 + 313 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 199222073649 + 4008029481 = 446343^2 + 63309^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30511701 + ... + 30518360.

Almost surely, 2^203230103130 is an apocalyptic number.

203230103130 is an abundant number, since it is smaller than the sum of its proper divisors (339449208174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203230103130 is a wasteful number, since it uses less digits than its factorization.

203230103130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61030111 (or 61030108 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 203230103130 its reverse (31301032302), we get a palindrome (234531135432).

The spelling of 203230103130 in words is "two hundred three billion, two hundred thirty million, one hundred three thousand, one hundred thirty".