102203021302013 has 4 divisors (see below), whose sum is σ = 102238744136508. Its totient is φ = 102167298467520.

The previous prime is 102203021302007. The next prime is 102203021302069. The reversal of 102203021302013 is 310203120302201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87364670466649 + 14838350835364 = 9346907^2 + 3852058^2 .

It is a cyclic number.

It is not a de Polignac number, because 102203021302013 - 2¹² = 102203021297917 is a prime.

It is a super-3 number, since 3×102203021302013³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102203021302093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17861412956 + ... + 17861418677.

It is an arithmetic number, because the mean of its divisors is an integer number (25559686034127).

Almost surely, 2^{102203021302013} is an apocalyptic number.

It is an amenable number.

102203021302013 is a deficient number, since it is larger than the sum of its proper divisors (35722834495).

102203021302013 is an equidigital number, since it uses as much as digits as its factorization.

102203021302013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35722834494.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102203021302013 its reverse (310203120302201), we get a palindrome (412406141604214).

The spelling of 102203021302013 in words is "one hundred two trillion, two hundred three billion, twenty-one million, three hundred two thousand, thirteen".