203310055102 has 48 divisors (see below), whose sum is σ = 409770865008. Its totient is φ = 74552190720.

The previous prime is 203310055033. The next prime is 203310055121. The reversal of 203310055102 is 201550013302.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 5528713 + ... + 5565364.

It is an arithmetic number, because the mean of its divisors is an integer number (8536893021).

Almost surely, 2^203310055102 is an apocalyptic number.

203310055102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203310055102 is an abundant number, since it is smaller than the sum of its proper divisors (206460809906).

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

203310055102 is a wasteful number, since it uses less digits than its factorization.

203310055102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11094121 (or 11094114 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 203310055102 its reverse (201550013302), we get a palindrome (404860068404).

The spelling of 203310055102 in words is "two hundred three billion, three hundred ten million, fifty-five thousand, one hundred two".