203313201102 has 192 divisors, whose sum is σ = 507785241600. Its totient is φ = 58216354560.

The previous prime is 203313201089. The next prime is 203313201103. The reversal of 203313201102 is 201102313302.

203313201102 is a `hidden beast` number, since 2 + 0 + 331 + 320 + 1 + 10 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203313201103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 195681099 + ... + 195682137.

It is an arithmetic number, because the mean of its divisors is an integer number (2644714800).

Almost surely, 2^203313201102 is an apocalyptic number.

203313201102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 203313201102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253892620800).

203313201102 is an abundant number, since it is smaller than the sum of its proper divisors (304472040498).

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

203313201102 is a wasteful number, since it uses less digits than its factorization.

203313201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 203313201102 its reverse (201102313302), we get a palindrome (404415514404).

The spelling of 203313201102 in words is "two hundred three billion, three hundred thirteen million, two hundred one thousand, one hundred two".