101043513613 has 4 divisors (see below), whose sum is σ = 115478301280. Its totient is φ = 86608725948.

The previous prime is 101043513569. The next prime is 101043513619. The reversal of 101043513613 is 316315340101.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101043513613 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 (101043513619) 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, 7217393823 + ... + 7217393836.

It is an arithmetic number, because the mean of its divisors is an integer number (28869575320).

Almost surely, 2^101043513613 is an apocalyptic number.

It is an amenable number.

101043513613 is a deficient number, since it is larger than the sum of its proper divisors (14434787667).

101043513613 is an equidigital number, since it uses as much as digits as its factorization.

101043513613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14434787666.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 101043513613 its reverse (316315340101), we get a palindrome (417358853714).

It can be divided in two parts, 101043 and 513613, that added together give a 4-th power (614656 = 28⁴).

The spelling of 101043513613 in words is "one hundred one billion, forty-three million, five hundred thirteen thousand, six hundred thirteen".