101130013 has 4 divisors (see below), whose sum is σ = 101150140. Its totient is φ = 101109888.

The previous prime is 101129999. The next prime is 101130017. The reversal of 101130013 is 310031101.

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 63712324 + 37417689 = 7982^2 + 6117^2 .

It is a cyclic number.

It is not a de Polignac number, because 101130013 - 2²⁵ = 67575581 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 (101130017) 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, 4483 + ... + 14911.

It is an arithmetic number, because the mean of its divisors is an integer number (25287535).

Almost surely, 2^101130013 is an apocalyptic number.

It is an amenable number.

101130013 is a deficient number, since it is larger than the sum of its proper divisors (20127).

101130013 is an equidigital number, since it uses as much as digits as its factorization.

101130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20126.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 101130013 is about 10056.3419293499. The cubic root of 101130013 is about 465.9006907683.

Adding to 101130013 its reverse (310031101), we get a palindrome (411161114).

The spelling of 101130013 in words is "one hundred one million, one hundred thirty thousand, thirteen".