3121313050 has 48 divisors (see below), whose sum is σ = 6204781440. Its totient is φ = 1164066560.

The previous prime is 3121313011. The next prime is 3121313053. The reversal of 3121313050 is 503131213.

3121313050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3121313050² = 19485190312200605000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3121313053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73791 + ... + 108109.

It is an arithmetic number, because the mean of its divisors is an integer number (129266280).

Almost surely, 2^3121313050 is an apocalyptic number.

3121313050 is a deficient number, since it is larger than the sum of its proper divisors (3083468390).

3121313050 is a wasteful number, since it uses less digits than its factorization.

3121313050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34455 (or 34450 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 3121313050 is about 55868.7126216454. The cubic root of 3121313050 is about 1461.4336717859.

Adding to 3121313050 its reverse (503131213), we get a palindrome (3624444263).

The spelling of 3121313050 in words is "three billion, one hundred twenty-one million, three hundred thirteen thousand, fifty".