102044213 has 4 divisors (see below), whose sum is σ = 102100908. Its totient is φ = 101987520.

The previous prime is 102044197. The next prime is 102044249. The reversal of 102044213 is 312440201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312440201 = 97 ⋅3221033.

It can be written as a sum of positive squares in 2 ways, for example, as 16703569 + 85340644 = 4087^2 + 9238^2 .

It is a cyclic number.

It is not a de Polignac number, because 102044213 - 2⁴ = 102044197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102044191 and 102044200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102044413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25556 + ... + 29277.

It is an arithmetic number, because the mean of its divisors is an integer number (25525227).

Almost surely, 2^102044213 is an apocalyptic number.

It is an amenable number.

102044213 is a deficient number, since it is larger than the sum of its proper divisors (56695).

102044213 is an equidigital number, since it uses as much as digits as its factorization.

102044213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56694.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 102044213 is about 10101.6935708821. The cubic root of 102044213 is about 467.3003721262.

Adding to 102044213 its reverse (312440201), we get a palindrome (414484414).

The spelling of 102044213 in words is "one hundred two million, forty-four thousand, two hundred thirteen".