101312113 has 4 divisors (see below), whose sum is σ = 115785280. Its totient is φ = 86838948.

The previous prime is 101312111. The next prime is 101312117. The reversal of 101312113 is 311213101.

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 not a de Polignac number, because 101312113 - 2¹ = 101312111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101312093 and 101312102.

It is not an unprimeable number, because it can be changed into a prime (101312111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7236573 + ... + 7236586.

It is an arithmetic number, because the mean of its divisors is an integer number (28946320).

Almost surely, 2^101312113 is an apocalyptic number.

It is an amenable number.

101312113 is a deficient number, since it is larger than the sum of its proper divisors (14473167).

101312113 is an equidigital number, since it uses as much as digits as its factorization.

101312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14473166.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 101312113 is about 10065.3918453282. The cubic root of 101312113 is about 466.1801648215.

Adding to 101312113 its reverse (311213101), we get a palindrome (412525214).

The spelling of 101312113 in words is "one hundred one million, three hundred twelve thousand, one hundred thirteen".