313242103 has 4 divisors (see below), whose sum is σ = 313986568. Its totient is φ = 312497640.

The previous prime is 313242089. The next prime is 313242121. The reversal of 313242103 is 301242313.

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

It is a cyclic number.

It is not a de Polignac number, because 313242103 - 2¹⁷ = 313111031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313242133) 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, 371601 + ... + 372442.

It is an arithmetic number, because the mean of its divisors is an integer number (78496642).

Almost surely, 2^313242103 is an apocalyptic number.

313242103 is a deficient number, since it is larger than the sum of its proper divisors (744465).

313242103 is an equidigital number, since it uses as much as digits as its factorization.

313242103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744464.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 313242103 is about 17698.6469256833. The cubic root of 313242103 is about 679.1411468215.

Adding to 313242103 its reverse (301242313), we get a palindrome (614484416).

The spelling of 313242103 in words is "three hundred thirteen million, two hundred forty-two thousand, one hundred three".