3113303231 has 2 divisors, whose sum is σ = 3113303232. Its totient is φ = 3113303230.

The previous prime is 3113303213. The next prime is 3113303239. The reversal of 3113303231 is 1323033113.

Together with previous prime (3113303213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3113303231 is a prime.

It is a super-2 number, since 2×3113303231² = 19385314016310078722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113303239) 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 as a sum of consecutive naturals, namely, 1556651615 + 1556651616.

It is an arithmetic number, because the mean of its divisors is an integer number (1556651616).

Almost surely, 2^3113303231 is an apocalyptic number.

3113303231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113303231 is an equidigital number, since it uses as much as digits as its factorization.

3113303231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3113303231 is about 55796.9822750299. The cubic root of 3113303231 is about 1460.1825053331.

Adding to 3113303231 its reverse (1323033113), we get a palindrome (4436336344).

The spelling of 3113303231 in words is "three billion, one hundred thirteen million, three hundred three thousand, two hundred thirty-one".