3120203103311 has 32 divisors (see below), whose sum is σ = 3803706708480. Its totient is φ = 2502435600000.

The previous prime is 3120203103229. The next prime is 3120203103317. The reversal of 3120203103311 is 1133013020213.

It is not a de Polignac number, because 3120203103311 - 2³⁴ = 3103023234127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120203103317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1057736 + ... + 2712786.

It is an arithmetic number, because the mean of its divisors is an integer number (118865834640).

Almost surely, 2^{3120203103311} is an apocalyptic number.

3120203103311 is a deficient number, since it is larger than the sum of its proper divisors (683503605169).

3120203103311 is a wasteful number, since it uses less digits than its factorization.

3120203103311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655375.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 3120203103311 its reverse (1133013020213), we get a palindrome (4253216123524).

The spelling of 3120203103311 in words is "three trillion, one hundred twenty billion, two hundred three million, one hundred three thousand, three hundred eleven".