3121204034 has 16 divisors (see below), whose sum is σ = 5047411320. Its totient is φ = 1438993920.

The previous prime is 3121204003. The next prime is 3121204039. The reversal of 3121204034 is 4304021213.

It can be written as a sum of positive squares in 4 ways, for example, as 836077225 + 2285126809 = 28915^2 + 47803^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3121203997 and 3121204015.

It is not an unprimeable number, because it can be changed into a prime (3121204039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40457 + ... + 88764.

Almost surely, 2^3121204034 is an apocalyptic number.

3121204034 is a deficient number, since it is larger than the sum of its proper divisors (1926207286).

3121204034 is a wasteful number, since it uses less digits than its factorization.

3121204034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130165.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3121204034 is about 55867.7369686656. The cubic root of 3121204034 is about 1461.4166574177.

Adding to 3121204034 its reverse (4304021213), we get a palindrome (7425225247).

The spelling of 3121204034 in words is "three billion, one hundred twenty-one million, two hundred four thousand, thirty-four".