103210313 has 4 divisors (see below), whose sum is σ = 103449108. Its totient is φ = 102971520.

The previous prime is 103210307. The next prime is 103210319. The reversal of 103210313 is 313012301.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (103210307) and next prime (103210319).

It can be written as a sum of positive squares in 2 ways, for example, as 57350329 + 45859984 = 7573^2 + 6772^2 .

It is a cyclic number.

It is not a de Polignac number, because 103210313 - 2⁴ = 103210297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103210319) 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, 118748 + ... + 119613.

It is an arithmetic number, because the mean of its divisors is an integer number (25862277).

Almost surely, 2^103210313 is an apocalyptic number.

It is an amenable number.

103210313 is a deficient number, since it is larger than the sum of its proper divisors (238795).

103210313 is an equidigital number, since it uses as much as digits as its factorization.

103210313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238794.

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

The square root of 103210313 is about 10159.2476591527. The cubic root of 103210313 is about 469.0736439169.

Adding to 103210313 its reverse (313012301), we get a palindrome (416222614).

The spelling of 103210313 in words is "one hundred three million, two hundred ten thousand, three hundred thirteen".