102313331020013 has 4 divisors (see below), whose sum is σ = 102662523276348. Its totient is φ = 101964138763680.

The previous prime is 102313331019961. The next prime is 102313331020037. The reversal of 102313331020013 is 310020133313201.

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 75183431622244 + 27129899397769 = 8670838^2 + 5208637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102313331020013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102313331020063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174596127728 + ... + 174596128313.

It is an arithmetic number, because the mean of its divisors is an integer number (25665630819087).

Almost surely, 2^{102313331020013} is an apocalyptic number.

It is an amenable number.

102313331020013 is a deficient number, since it is larger than the sum of its proper divisors (349192256335).

102313331020013 is an equidigital number, since it uses as much as digits as its factorization.

102313331020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349192256334.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 102313331020013 its reverse (310020133313201), we get a palindrome (412333464333214).

The spelling of 102313331020013 in words is "one hundred two trillion, three hundred thirteen billion, three hundred thirty-one million, twenty thousand, thirteen".