10203310013 has 4 divisors (see below), whose sum is σ = 10988180028. Its totient is φ = 9418440000.

The previous prime is 10203310009. The next prime is 10203310021. The reversal of 10203310013 is 31001330201.

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 5164865689 + 5038444324 = 71867^2 + 70982^2 .

It is a cyclic number.

It is not a de Polignac number, because 10203310013 - 2² = 10203310009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10203310013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203315013) 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, 392434988 + ... + 392435013.

It is an arithmetic number, because the mean of its divisors is an integer number (2747045007).

Almost surely, 2^10203310013 is an apocalyptic number.

10203310013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10203310013 is a deficient number, since it is larger than the sum of its proper divisors (784870015).

10203310013 is an equidigital number, since it uses as much as digits as its factorization.

10203310013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784870014.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 10203310013 its reverse (31001330201), we get a palindrome (41204640214).

The spelling of 10203310013 in words is "ten billion, two hundred three million, three hundred ten thousand, thirteen".