3113881031 has 2 divisors, whose sum is σ = 3113881032. Its totient is φ = 3113881030.

The previous prime is 3113880983. The next prime is 3113881073. The reversal of 3113881031 is 1301883113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3113881031 - 2¹⁸ = 3113618887 is a prime.

It is a super-2 number, since 2×3113881031² = 19392510150443245922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 3113880985 and 3113881003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113881231) 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, 1556940515 + 1556940516.

It is an arithmetic number, because the mean of its divisors is an integer number (1556940516).

Almost surely, 2^3113881031 is an apocalyptic number.

3113881031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113881031 is an equidigital number, since it uses as much as digits as its factorization.

3113881031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 3113881031 is about 55802.1597341895. The cubic root of 3113881031 is about 1460.2728318235.

The spelling of 3113881031 in words is "three billion, one hundred thirteen million, eight hundred eighty-one thousand, thirty-one".