3117220994 has 4 divisors (see below), whose sum is σ = 4675831494. Its totient is φ = 1558610496.

The previous prime is 3117220993. The next prime is 3117221011. The reversal of 3117220994 is 4990227113.

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

It can be written as a sum of positive squares in only one way, i.e., 3074148025 + 43072969 = 55445^2 + 6563^2 .

It is not an unprimeable number, because it can be changed into a prime (3117220993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 779305247 + ... + 779305250.

Almost surely, 2^3117220994 is an apocalyptic number.

3117220994 is a deficient number, since it is larger than the sum of its proper divisors (1558610500).

3117220994 is a wasteful number, since it uses less digits than its factorization.

3117220994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558610499.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 3117220994 is about 55832.0785391338. The cubic root of 3117220994 is about 1460.7947437001.

The spelling of 3117220994 in words is "three billion, one hundred seventeen million, two hundred twenty thousand, nine hundred ninety-four".