3161203993 has 2 divisors, whose sum is σ = 3161203994. Its totient is φ = 3161203992.

The previous prime is 3161203979. The next prime is 3161203999. The reversal of 3161203993 is 3993021613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2887235289 + 273968704 = 53733^2 + 16552^2 .

It is a cyclic number.

It is not a de Polignac number, because 3161203993 - 2⁹ = 3161203481 is a prime.

It is not a weakly prime, because it can be changed into another prime (3161203999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580601996 + 1580601997.

It is an arithmetic number, because the mean of its divisors is an integer number (1580601997).

Almost surely, 2^3161203993 is an apocalyptic number.

It is an amenable number.

3161203993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161203993 is an equidigital number, since it uses as much as digits as its factorization.

3161203993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 3161203993 is about 56224.5853074969. The cubic root of 3161203993 is about 1467.6331314336.

The spelling of 3161203993 in words is "three billion, one hundred sixty-one million, two hundred three thousand, nine hundred ninety-three".