3103313231 has 4 divisors (see below), whose sum is σ = 3103806552. Its totient is φ = 3102819912.

The previous prime is 3103313221. The next prime is 3103313233. The reversal of 3103313231 is 1323133013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1323133013 = 827 ⋅1599919.

It is a cyclic number.

It is not a de Polignac number, because 3103313231 - 2¹⁸ = 3103051087 is a prime.

It is a super-2 number, since 2×3103313231² = 19261106019399318722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103313233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237101 + ... + 249846.

It is an arithmetic number, because the mean of its divisors is an integer number (775951638).

Almost surely, 2^3103313231 is an apocalyptic number.

3103313231 is a deficient number, since it is larger than the sum of its proper divisors (493321).

3103313231 is an equidigital number, since it uses as much as digits as its factorization.

3103313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493320.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 3103313231 is about 55707.3893751987. The cubic root of 3103313231 is about 1458.6190155214.

Adding to 3103313231 its reverse (1323133013), we get a palindrome (4426446244).

The spelling of 3103313231 in words is "three billion, one hundred three million, three hundred thirteen thousand, two hundred thirty-one".