3121004330 has 16 divisors (see below), whose sum is σ = 5948267400. Its totient is φ = 1174966272.

The previous prime is 3121004323. The next prime is 3121004363. The reversal of 3121004330 is 334001213.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2562485641 + 558518689 = 50621^2 + 23633^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 3121004299 and 3121004308.

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 7 ways as a sum of consecutive naturals, for example, 9179255 + ... + 9179594.

Almost surely, 2^3121004330 is an apocalyptic number.

3121004330 is a deficient number, since it is larger than the sum of its proper divisors (2827263070).

3121004330 is a wasteful number, since it uses less digits than its factorization.

3121004330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18358873.

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

The square root of 3121004330 is about 55865.9496473478. The cubic root of 3121004330 is about 1461.3854881453.

Adding to 3121004330 its reverse (334001213), we get a palindrome (3455005543).

The spelling of 3121004330 in words is "three billion, one hundred twenty-one million, four thousand, three hundred thirty".