3131309983 has 2 divisors, whose sum is σ = 3131309984. Its totient is φ = 3131309982.

The previous prime is 3131309971. The next prime is 3131310023. The reversal of 3131309983 is 3899031313.

It is an a-pointer prime, because the next prime (3131310023) can be obtained adding 3131309983 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131309983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131301983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565654991 + 1565654992.

It is an arithmetic number, because the mean of its divisors is an integer number (1565654992).

Almost surely, 2^3131309983 is an apocalyptic number.

3131309983 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131309983 is an equidigital number, since it uses as much as digits as its factorization.

3131309983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 3131309983 is about 55958.1091799928. The cubic root of 3131309983 is about 1462.9922343196.

The spelling of 3131309983 in words is "three billion, one hundred thirty-one million, three hundred nine thousand, nine hundred eighty-three".