3121330004 has 12 divisors (see below), whose sum is σ = 5882506644. Its totient is φ = 1440613824.

The previous prime is 3121329979. The next prime is 3121330081. The reversal of 3121330004 is 4000331213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1751589904 + 1369740100 = 41852^2 + 37010^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30012737 + ... + 30012840.

It is an arithmetic number, because the mean of its divisors is an integer number (490208887).

Almost surely, 2^3121330004 is an apocalyptic number.

It is an amenable number.

3121330004 is a deficient number, since it is larger than the sum of its proper divisors (2761176640).

3121330004 is a wasteful number, since it uses less digits than its factorization.

3121330004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60025594 (or 60025592 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3121330004 is about 55868.8643521595. The cubic root of 3121330004 is about 1461.4363177986.

Adding to 3121330004 its reverse (4000331213), we get a palindrome (7121661217).

The spelling of 3121330004 in words is "three billion, one hundred twenty-one million, three hundred thirty thousand, four".