101311013213 has 4 divisors (see below), whose sum is σ = 101312427420. Its totient is φ = 101309599008.

The previous prime is 101311013197. The next prime is 101311013261. The reversal of 101311013213 is 312310113101.

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 78510919204 + 22800094009 = 280198^2 + 150997^2 .

It is a cyclic number.

It is not a de Polignac number, because 101311013213 - 2⁴ = 101311013197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101311013191 and 101311013200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101311013813) 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, 593570 + ... + 744947.

It is an arithmetic number, because the mean of its divisors is an integer number (25328106855).

Almost surely, 2^101311013213 is an apocalyptic number.

It is an amenable number.

101311013213 is a deficient number, since it is larger than the sum of its proper divisors (1414207).

101311013213 is an equidigital number, since it uses as much as digits as its factorization.

101311013213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414206.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 101311013213 its reverse (312310113101), we get a palindrome (413621126314).

The spelling of 101311013213 in words is "one hundred one billion, three hundred eleven million, thirteen thousand, two hundred thirteen".