3155113211 has 4 divisors (see below), whose sum is σ = 3164154000. Its totient is φ = 3146072424.

The previous prime is 3155113163. The next prime is 3155113289. The reversal of 3155113211 is 1123115513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1123115513 = 13 ⋅86393501.

It is a cyclic number.

It is not a de Polignac number, because 3155113211 - 2¹⁰ = 3155112187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3155113811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4519871 + ... + 4520568.

It is an arithmetic number, because the mean of its divisors is an integer number (791038500).

Almost surely, 2^3155113211 is an apocalyptic number.

3155113211 is a deficient number, since it is larger than the sum of its proper divisors (9040789).

3155113211 is an equidigital number, since it uses as much as digits as its factorization.

3155113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040788.

The product of its digits is 450, while the sum is 23.

The square root of 3155113211 is about 56170.3944351471. The cubic root of 3155113211 is about 1466.6899485342.

Adding to 3155113211 its reverse (1123115513), we get a palindrome (4278228724).

The spelling of 3155113211 in words is "three billion, one hundred fifty-five million, one hundred thirteen thousand, two hundred eleven".