203303021310102 has 64 divisors (see below), whose sum is σ = 464868598233600. Its totient is φ = 58064584527360.

The previous prime is 203303021310043. The next prime is 203303021310113. The reversal of 203303021310102 is 201013120303302.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1215690852 + ... + 1215858072.

It is an arithmetic number, because the mean of its divisors is an integer number (7263571847400).

Almost surely, 2^{203303021310102} is an apocalyptic number.

203303021310102 is an abundant number, since it is smaller than the sum of its proper divisors (261565576923498).

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

203303021310102 is a wasteful number, since it uses less digits than its factorization.

203303021310102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178021.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 203303021310102 its reverse (201013120303302), we get a palindrome (404316141613404).

The spelling of 203303021310102 in words is "two hundred three trillion, three hundred three billion, twenty-one million, three hundred ten thousand, one hundred two".