3113528681 has 2 divisors, whose sum is σ = 3113528682. Its totient is φ = 3113528680.

The previous prime is 3113528641. The next prime is 3113528683. The reversal of 3113528681 is 1868253113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3048806656 + 64722025 = 55216^2 + 8045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3113528681 is a prime.

It is a super-2 number, since 2×3113528681² = 19388121694819199522, which contains 22 as substring.

Together with 3113528683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3113528683) 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, 1556764340 + 1556764341.

It is an arithmetic number, because the mean of its divisors is an integer number (1556764341).

Almost surely, 2^3113528681 is an apocalyptic number.

It is an amenable number.

3113528681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113528681 is an equidigital number, since it uses as much as digits as its factorization.

3113528681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 3113528681 is about 55799.0025090055. The cubic root of 3113528681 is about 1460.2177508773.

The spelling of 3113528681 in words is "three billion, one hundred thirteen million, five hundred twenty-eight thousand, six hundred eighty-one".