203030302231300 has 18 divisors (see below), whose sum is σ = 440575755842138. Its totient is φ = 81212120892480.

The previous prime is 203030302231249. The next prime is 203030302231333. The reversal of 203030302231300 is 3132203030302.

It can be written as a sum of positive squares in 3 ways, for example, as 1380986923716 + 201649315307584 = 1175154^2 + 14200328^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1015151511057 + ... + 1015151511256.

Almost surely, 2^{203030302231300} is an apocalyptic number.

203030302231300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203030302231300 is an abundant number, since it is smaller than the sum of its proper divisors (237545453610838).

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

203030302231300 is a wasteful number, since it uses less digits than its factorization.

203030302231300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030303022327 (or 2030303022320 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 203030302231300 its reverse (3132203030302), we get a palindrome (206162505261602).

The spelling of 203030302231300 in words is "two hundred three trillion, thirty billion, three hundred two million, two hundred thirty-one thousand, three hundred".