3163312993 has 4 divisors (see below), whose sum is σ = 3167492500. Its totient is φ = 3159133488.

The previous prime is 3163312969. The next prime is 3163313033. The reversal of 3163312993 is 3992133613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2754990144 + 408322849 = 52488^2 + 20207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3163312993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3163312193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2088618 + ... + 2090131.

It is an arithmetic number, because the mean of its divisors is an integer number (791873125).

Almost surely, 2^3163312993 is an apocalyptic number.

It is an amenable number.

3163312993 is a deficient number, since it is larger than the sum of its proper divisors (4179507).

3163312993 is an equidigital number, since it uses as much as digits as its factorization.

3163312993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179506.

The product of its digits is 78732, while the sum is 40.

The square root of 3163312993 is about 56243.3373209663. The cubic root of 3163312993 is about 1467.9594364539.

The spelling of 3163312993 in words is "three billion, one hundred sixty-three million, three hundred twelve thousand, nine hundred ninety-three".