3121303034 has 16 divisors (see below), whose sum is σ = 4708513800. Its totient is φ = 1551822144.

The previous prime is 3121303007. The next prime is 3121303057. The reversal of 3121303034 is 4303031213.

It can be written as a sum of positive squares in 4 ways, for example, as 2009280625 + 1112022409 = 44825^2 + 33347^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3121302997 and 3121303015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276452 + ... + 287520.

Almost surely, 2^3121303034 is an apocalyptic number.

3121303034 is a deficient number, since it is larger than the sum of its proper divisors (1587210766).

3121303034 is a wasteful number, since it uses less digits than its factorization.

3121303034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11857.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3121303034 is about 55868.6229828515. The cubic root of 3121303034 is about 1461.4321085832.

Adding to 3121303034 its reverse (4303031213), we get a palindrome (7424334247).

The spelling of 3121303034 in words is "three billion, one hundred twenty-one million, three hundred three thousand, thirty-four".