3121332994 has 12 divisors (see below), whose sum is σ = 5069857986. Its totient is φ = 1440615072.

The previous prime is 3121332983. The next prime is 3121332997. The reversal of 3121332994 is 4992331213.

It can be written as a sum of positive squares in 3 ways, for example, as 1290605625 + 1830727369 = 35925^2 + 42787^2 .

It is not an unprimeable number, because it can be changed into a prime (3121332997) 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 in 5 ways as a sum of consecutive naturals, for example, 4617019 + ... + 4617694.

Almost surely, 2^3121332994 is an apocalyptic number.

3121332994 is a deficient number, since it is larger than the sum of its proper divisors (1948524992).

3121332994 is a wasteful number, since it uses less digits than its factorization.

3121332994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9234741 (or 9234728 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The square root of 3121332994 is about 55868.8911112437. The cubic root of 3121332994 is about 1461.4367844472.

The spelling of 3121332994 in words is "three billion, one hundred twenty-one million, three hundred thirty-two thousand, nine hundred ninety-four".