13243411513 has 4 divisors (see below), whose sum is σ = 13670618368. Its totient is φ = 12816204660.

The previous prime is 13243411499. The next prime is 13243411541. The reversal of 13243411513 is 31511434231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31511434231 = 233 ⋅135242207.

It is a cyclic number.

It is not a de Polignac number, because 13243411513 - 2⁹ = 13243411001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13243411543) 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, 213603381 + ... + 213603442.

It is an arithmetic number, because the mean of its divisors is an integer number (3417654592).

Almost surely, 2^13243411513 is an apocalyptic number.

It is an amenable number.

13243411513 is a deficient number, since it is larger than the sum of its proper divisors (427206855).

13243411513 is an equidigital number, since it uses as much as digits as its factorization.

13243411513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427206854.

The product of its digits is 4320, while the sum is 28.

Adding to 13243411513 its reverse (31511434231), we get a palindrome (44754845744).

The spelling of 13243411513 in words is "thirteen billion, two hundred forty-three million, four hundred eleven thousand, five hundred thirteen".