3121121341 has 8 divisors (see below), whose sum is σ = 3558925944. Its totient is φ = 2711562240.

The previous prime is 3121121329. The next prime is 3121121383. The reversal of 3121121341 is 1431211213.

It can be written as a sum of positive squares in 4 ways, for example, as 414936900 + 2706184441 = 20370^2 + 52021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3121121341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121121441) 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 7 ways as a sum of consecutive naturals, for example, 7061140 + ... + 7061581.

It is an arithmetic number, because the mean of its divisors is an integer number (444865743).

Almost surely, 2^3121121341 is an apocalyptic number.

It is an amenable number.

3121121341 is a deficient number, since it is larger than the sum of its proper divisors (437804603).

3121121341 is a wasteful number, since it uses less digits than its factorization.

3121121341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14122751.

The product of its digits is 144, while the sum is 19.

The square root of 3121121341 is about 55866.9968854600. The cubic root of 3121121341 is about 1461.4037510742.

Adding to 3121121341 its reverse (1431211213), we get a palindrome (4552332554).

The spelling of 3121121341 in words is "three billion, one hundred twenty-one million, one hundred twenty-one thousand, three hundred forty-one".