3121717316 has 24 divisors (see below), whose sum is σ = 5535220320. Its totient is φ = 1540269632.

The previous prime is 3121717307. The next prime is 3121717351. The reversal of 3121717316 is 6137171213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309440 + ... + 319368.

It is an arithmetic number, because the mean of its divisors is an integer number (230634180).

Almost surely, 2^3121717316 is an apocalyptic number.

It is an amenable number.

3121717316 is a deficient number, since it is larger than the sum of its proper divisors (2413503004).

3121717316 is a wasteful number, since it uses less digits than its factorization.

3121717316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10963 (or 10961 counting only the distinct ones).

The product of its digits is 5292, while the sum is 32.

The square root of 3121717316 is about 55872.3305044635. The cubic root of 3121717316 is about 1461.4967630160.

Adding to 3121717316 its reverse (6137171213), we get a palindrome (9258888529).

The spelling of 3121717316 in words is "three billion, one hundred twenty-one million, seven hundred seventeen thousand, three hundred sixteen".