3131759923 has 2 divisors, whose sum is σ = 3131759924. Its totient is φ = 3131759922.

The previous prime is 3131759887. The next prime is 3131759963. The reversal of 3131759923 is 3299571313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131759923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3131759923.

It is not a weakly prime, because it can be changed into another prime (3131759963) 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, 1565879961 + 1565879962.

It is an arithmetic number, because the mean of its divisors is an integer number (1565879962).

Almost surely, 2^3131759923 is an apocalyptic number.

3131759923 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131759923 is an equidigital number, since it uses as much as digits as its factorization.

3131759923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 43.

The square root of 3131759923 is about 55962.1293644193. The cubic root of 3131759923 is about 1463.0623037371.

The spelling of 3131759923 in words is "three billion, one hundred thirty-one million, seven hundred fifty-nine thousand, nine hundred twenty-three".