102303313345 has 4 divisors (see below), whose sum is σ = 122763976020. Its totient is φ = 81842650672.

The previous prime is 102303313339. The next prime is 102303313361. The reversal of 102303313345 is 543313303201.

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 32015229184 + 70288084161 = 178928^2 + 265119^2 .

It is a cyclic number.

It is not a de Polignac number, because 102303313345 - 2²⁹ = 101766442433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10230331330 + ... + 10230331339.

It is an arithmetic number, because the mean of its divisors is an integer number (30690994005).

Almost surely, 2^102303313345 is an apocalyptic number.

It is an amenable number.

102303313345 is a deficient number, since it is larger than the sum of its proper divisors (20460662675).

102303313345 is an equidigital number, since it uses as much as digits as its factorization.

102303313345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20460662674.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 102303313345 its reverse (543313303201), we get a palindrome (645616616546).

The spelling of 102303313345 in words is "one hundred two billion, three hundred three million, three hundred thirteen thousand, three hundred forty-five".