1520030100013 has 4 divisors (see below), whose sum is σ = 1525217916348. Its totient is φ = 1514842283680.

The previous prime is 1520030099993. The next prime is 1520030100019. The reversal of 1520030100013 is 3100010300251.

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 684264803209 + 835765296804 = 827203^2 + 914202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1520030100013 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 1520030100013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520030100019) 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, 2593907728 + ... + 2593908313.

It is an arithmetic number, because the mean of its divisors is an integer number (381304479087).

Almost surely, 2^{1520030100013} is an apocalyptic number.

It is an amenable number.

1520030100013 is a deficient number, since it is larger than the sum of its proper divisors (5187816335).

1520030100013 is an equidigital number, since it uses as much as digits as its factorization.

1520030100013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187816334.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 1520030100013 its reverse (3100010300251), we get a palindrome (4620040400264).

The spelling of 1520030100013 in words is "one trillion, five hundred twenty billion, thirty million, one hundred thousand, thirteen".