3121354338 has 8 divisors (see below), whose sum is σ = 6242708688. Its totient is φ = 1040451444.

The previous prime is 3121354337. The next prime is 3121354339. The reversal of 3121354338 is 8334531213.

It is an interprime number because it is at equal distance from previous prime (3121354337) and next prime (3121354339).

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

3121354338 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3121354299 and 3121354308.

It is not an unprimeable number, because it can be changed into a prime (3121354337) 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 3 ways as a sum of consecutive naturals, for example, 260112856 + ... + 260112867.

It is an arithmetic number, because the mean of its divisors is an integer number (780338586).

Almost surely, 2^3121354338 is an apocalyptic number.

3121354338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121354338 is a wasteful number, since it uses less digits than its factorization.

3121354338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520225728.

The product of its digits is 25920, while the sum is 33.

The square root of 3121354338 is about 55869.0821295643. The cubic root of 3121354338 is about 1461.4401155919.

The spelling of 3121354338 in words is "three billion, one hundred twenty-one million, three hundred fifty-four thousand, three hundred thirty-eight".