3163131997 has 2 divisors, whose sum is σ = 3163131998. Its totient is φ = 3163131996.

The previous prime is 3163131953. The next prime is 3163132009. The reversal of 3163131997 is 7991313613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3024340036 + 138791961 = 54994^2 + 11781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3163131997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3163131947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1581565998 + 1581565999.

It is an arithmetic number, because the mean of its divisors is an integer number (1581565999).

Almost surely, 2^3163131997 is an apocalyptic number.

It is an amenable number.

3163131997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3163131997 is an equidigital number, since it uses as much as digits as its factorization.

3163131997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 43.

The square root of 3163131997 is about 56241.7282540286. The cubic root of 3163131997 is about 1467.9314383967.

It can be divided in two parts, 316 and 3131997, that added together give a palindrome (3132313).

The spelling of 3163131997 in words is "three billion, one hundred sixty-three million, one hundred thirty-one thousand, nine hundred ninety-seven".