3123820313 has 8 divisors (see below), whose sum is σ = 3198096000. Its totient is φ = 3050255728.

The previous prime is 3123820243. The next prime is 3123820411. The reversal of 3123820313 is 3130283213.

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

It is a cyclic number.

It is not a de Polignac number, because 3123820313 - 2³⁰ = 2050078489 is a prime.

It is a super-2 number, since 2×3123820313² = 19516506695822835938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123820813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168881 + ... + 186462.

It is an arithmetic number, because the mean of its divisors is an integer number (399762000).

Almost surely, 2^3123820313 is an apocalyptic number.

It is an amenable number.

3123820313 is a deficient number, since it is larger than the sum of its proper divisors (74275687).

3123820313 is a wasteful number, since it uses less digits than its factorization.

3123820313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355551.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3123820313 is about 55891.1470002182. The cubic root of 3123820313 is about 1461.8248765807.

The spelling of 3123820313 in words is "three billion, one hundred twenty-three million, eight hundred twenty thousand, three hundred thirteen".