103443532020513 has 24 divisors (see below), whose sum is σ = 151653189638496. Its totient is φ = 67930992360000.

The previous prime is 103443532020509. The next prime is 103443532020529. The reversal of 103443532020513 is 315020235344301.

103443532020513 is a `hidden beast` number, since 1 + 0 + 3 + 4 + 435 + 3 + 2 + 0 + 205 + 13 = 666.

It is not a de Polignac number, because 103443532020513 - 2² = 103443532020509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103443532020013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17280013 + ... + 22483013.

It is an arithmetic number, because the mean of its divisors is an integer number (6318882901604).

Almost surely, 2^{103443532020513} is an apocalyptic number.

It is an amenable number.

103443532020513 is a deficient number, since it is larger than the sum of its proper divisors (48209657617983).

103443532020513 is a wasteful number, since it uses less digits than its factorization.

103443532020513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236045 (or 5236042 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 103443532020513 its reverse (315020235344301), we get a palindrome (418463767364814).

The spelling of 103443532020513 in words is "one hundred three trillion, four hundred forty-three billion, five hundred thirty-two million, twenty thousand, five hundred thirteen".