203313301030312 has 64 divisors (see below), whose sum is σ = 422838553757760. Its totient is φ = 90873799948800.

The previous prime is 203313301030253. The next prime is 203313301030331. The reversal of 203313301030312 is 213030103313302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45681843 + ... + 49934530.

It is an arithmetic number, because the mean of its divisors is an integer number (6606852402465).

Almost surely, 2^{203313301030312} is an apocalyptic number.

203313301030312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

203313301030312 is an abundant number, since it is smaller than the sum of its proper divisors (219525252727448).

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

203313301030312 is a wasteful number, since it uses less digits than its factorization.

203313301030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95616794 (or 95616790 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 203313301030312 its reverse (213030103313302), we get a palindrome (416343404343614).

The spelling of 203313301030312 in words is "two hundred three trillion, three hundred thirteen billion, three hundred one million, thirty thousand, three hundred twelve".