3120055213 has 4 divisors (see below), whose sum is σ = 3403696608. Its totient is φ = 2836413820.

The previous prime is 3120055207. The next prime is 3120055283. The reversal of 3120055213 is 3125500213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3120055213 - 2⁵ = 3120055181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120055283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141820681 + ... + 141820702.

It is an arithmetic number, because the mean of its divisors is an integer number (850924152).

Almost surely, 2^3120055213 is an apocalyptic number.

It is an amenable number.

3120055213 is a deficient number, since it is larger than the sum of its proper divisors (283641395).

3120055213 is a wasteful number, since it uses less digits than its factorization.

3120055213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283641394.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 3120055213 is about 55857.4544085210. The cubic root of 3120055213 is about 1461.2373342939.

Multiplying 3120055213 by its sum of digits (22), we get a palindrome (68641214686).

Adding to 3120055213 its reverse (3125500213), we get a palindrome (6245555426).

The spelling of 3120055213 in words is "three billion, one hundred twenty million, fifty-five thousand, two hundred thirteen".