1022103213 has 4 divisors (see below), whose sum is σ = 1362804288. Its totient is φ = 681402140.

The previous prime is 1022103211. The next prime is 1022103217. The reversal of 1022103213 is 3123012201.

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 a cyclic number.

It is not a de Polignac number, because 1022103213 - 2¹ = 1022103211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022103192 and 1022103201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022103211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170350533 + ... + 170350538.

It is an arithmetic number, because the mean of its divisors is an integer number (340701072).

Almost surely, 2^1022103213 is an apocalyptic number.

It is an amenable number.

1022103213 is a deficient number, since it is larger than the sum of its proper divisors (340701075).

1022103213 is an equidigital number, since it uses as much as digits as its factorization.

1022103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340701074.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1022103213 is about 31970.3489658777. The cubic root of 1022103213 is about 1007.3141110209.

Adding to 1022103213 its reverse (3123012201), we get a palindrome (4145115414).

The spelling of 1022103213 in words is "one billion, twenty-two million, one hundred three thousand, two hundred thirteen".