3113248381 has 2 divisors, whose sum is σ = 3113248382. Its totient is φ = 3113248380.

The previous prime is 3113248379. The next prime is 3113248483. The reversal of 3113248381 is 1838423113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2453220900 + 660027481 = 49530^2 + 25691^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113248381 - 2¹ = 3113248379 is a prime.

It is a super-2 number, since 2×3113248381² = 19384630963598242322, which contains 22 as substring.

Together with 3113248379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113248351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556624190 + 1556624191.

It is an arithmetic number, because the mean of its divisors is an integer number (1556624191).

Almost surely, 2^3113248381 is an apocalyptic number.

It is an amenable number.

3113248381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113248381 is an equidigital number, since it uses as much as digits as its factorization.

3113248381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 3113248381 is about 55796.4907588282. The cubic root of 3113248381 is about 1460.1739301452.

The spelling of 3113248381 in words is "three billion, one hundred thirteen million, two hundred forty-eight thousand, three hundred eighty-one".