3120345355 has 4 divisors (see below), whose sum is σ = 3744414432. Its totient is φ = 2496276280.

The previous prime is 3120345343. The next prime is 3120345377. The reversal of 3120345355 is 5535430213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5535430213 = 41 ⋅135010493.

It is not a de Polignac number, because 3120345355 - 2⁷ = 3120345227 is a prime.

It is a super-3 number, since 3×3120345355³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312034531 + ... + 312034540.

It is an arithmetic number, because the mean of its divisors is an integer number (936103608).

Almost surely, 2^3120345355 is an apocalyptic number.

3120345355 is a deficient number, since it is larger than the sum of its proper divisors (624069077).

3120345355 is an equidigital number, since it uses as much as digits as its factorization.

3120345355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624069076.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 3120345355 is about 55860.0515126866. The cubic root of 3120345355 is about 1461.2826276357.

Adding to 3120345355 its reverse (5535430213), we get a palindrome (8655775568).

The spelling of 3120345355 in words is "three billion, one hundred twenty million, three hundred forty-five thousand, three hundred fifty-five".