203323103230312 has 32 divisors (see below), whose sum is σ = 410572333329480. Its totient is φ = 93837759759360.

The previous prime is 203323103230297. The next prime is 203323103230321. The reversal of 203323103230312 is 213032301323302.

It can be written as a sum of positive squares in 4 ways, for example, as 129021565042756 + 74301538187556 = 11358766^2 + 8619834^2 .

It is a super-2 number, since 2×203323103230312² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35584093 + ... + 40900780.

Almost surely, 2^{203323103230312} is an apocalyptic number.

It is an amenable number.

203323103230312 is an abundant number, since it is smaller than the sum of its proper divisors (207249230099168).

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

203323103230312 is a wasteful number, since it uses less digits than its factorization.

203323103230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76510453 (or 76510449 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 203323103230312 its reverse (213032301323302), we get a palindrome (416355404553614).

The spelling of 203323103230312 in words is "two hundred three trillion, three hundred twenty-three billion, one hundred three million, two hundred thirty thousand, three hundred twelve".