210103313 has 4 divisors (see below), whose sum is σ = 240118080. Its totient is φ = 180088548.

The previous prime is 210103297. The next prime is 210103343. The reversal of 210103313 is 313301012.

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 210103313 - 2⁴ = 210103297 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 (210103343) 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, 15007373 + ... + 15007386.

It is an arithmetic number, because the mean of its divisors is an integer number (60029520).

Almost surely, 2^210103313 is an apocalyptic number.

It is an amenable number.

210103313 is a deficient number, since it is larger than the sum of its proper divisors (30014767).

210103313 is an equidigital number, since it uses as much as digits as its factorization.

210103313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30014766.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 210103313 is about 14494.9409450332. The cubic root of 210103313 is about 594.4896530117.

Adding to 210103313 its reverse (313301012), we get a palindrome (523404325).

The spelling of 210103313 in words is "two hundred ten million, one hundred three thousand, three hundred thirteen".