101311313 has 4 divisors (see below), whose sum is σ = 107270820. Its totient is φ = 95351808.

The previous prime is 101311307. The next prime is 101311321. The reversal of 101311313 is 313113101.

It is a happy number.

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 90859024 + 10452289 = 9532^2 + 3233^2 .

It is a cyclic number.

It is not a de Polignac number, because 101311313 - 2¹⁴ = 101294929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101311333) 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, 2979728 + ... + 2979761.

It is an arithmetic number, because the mean of its divisors is an integer number (26817705).

Almost surely, 2^101311313 is an apocalyptic number.

It is an amenable number.

101311313 is a deficient number, since it is larger than the sum of its proper divisors (5959507).

101311313 is an equidigital number, since it uses as much as digits as its factorization.

101311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5959506.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 101311313 is about 10065.3521051178. The cubic root of 101311313 is about 466.1789377715.

Adding to 101311313 its reverse (313113101), we get a palindrome (414424414).

The spelling of 101311313 in words is "one hundred one million, three hundred eleven thousand, three hundred thirteen".